5411 + Interview Questions in Quantitative Aptitude Page 65 InterviewSolution

3201.	Find the center of a circle passing through the points ( 6,-6), ( 3, -7) and (3,3).
Answer» Find the center of a circle passing through the points ( 6,-6), ( 3, -7) and (3,3).

Discussion

3202.	Two circles of radii 10 cm and 8 cm intersect and the length of the common chord is 12 cm. Find the distance between the centers.
Answer» Two circles of radii 10 cm and 8 cm intersect and the length of the common chord is 12 cm. Find the distance between the centers.

Discussion

3203.	In a class of 45 students, a boy is ranked joined 20th. When two boys joined, his rank was dropped by one. What is his new rank from the end ?
Answer» In a class of 45 students, a boy is ranked joined $20^{t h}$ . When two boys joined, his rank was dropped by one. What is his new rank from the end ?

Discussion

3204.	In the figure given alongside, a circle is inscribed in a square of side 4cm and another circle is circumscribing the square. Prove that the area of the circumscribed circle is two times the area of the inscribed circle.
Answer» In the figure given alongside, a circle is inscribed in a square of side 4cm and another circle is circumscribing the square. Prove that the area of the circumscribed circle is two times the area of the inscribed circle.

Discussion

3205.	The remainder obtained when(19103+192) is divided by 20 is
Answer» The remainder obtained when $(19^{103} + 19^{2})$ is divided by 20 is

Discussion

3206.	What is the average of all the numbers allocated to the slots?___
Answer» What is the average of all the numbers allocated to the slots?___

Discussion

3207.	What could be the size of the team that includes G?
Answer» What could be the size of the team that includes G?

Discussion

3208.	As shown in the figure, triangle PAB is formed by the three tangents to the circle with center O and ∠APB=40∘.∠AOB equals:___
Answer» As shown in the figure, triangle PAB is formed by the three tangents to the circle with center O and $∠ A P B = 40^{\circ} . ∠ A O B$ equals:___

Discussion

3209.	In a college 50% students are boys out of which 40% have got 80% and above marks. Overall, 45% of all the students have got 80% and above marks. Find the percentage of girls who have got less than 80% marks.
Answer» In a college 50% students are boys out of which 40% have got 80% and above marks. Overall, 45% of all the students have got 80% and above marks. Find the percentage of girls who have got less than 80% marks.

Discussion

3210.	Approximately what was the ratio between average sales of States B & C respectively?
Answer» Approximately what was the ratio between average sales of States B & C respectively?

Discussion

3211.	If x, y, z are positive numbers such that x + [y] + {z} = 3.8, [x] + {y} + z = 3.2, {x} + y + [z] = 2.2, where [p] denotes the greatest integer less than or equal to p and {p} denotes the fractional part of p. E.g. [1.23] = 1, {1.23} = 0.23 = 23100. The numerical value of [x2+y2+z2] is -
Answer» If x, y, z are positive numbers such that x + [y] + {z} = 3.8, [x] + {y} + z = 3.2, {x} + y + [z] = 2.2, where [p] denotes the greatest integer less than or equal to p and {p} denotes the fractional part of p. E.g. [1.23] = 1, {1.23} = 0.23 = $\frac{23}{100}$ . The numerical value of $[x^{2} + y^{2} + z^{2}]$ is -

Discussion

3212.	If the equation (3x)2+(27×31k−15)x+4=0 has equal roots, then k =
Answer» If the equation $(3 x)^{2} + (27 \times 3^{\frac{1}{k}} - 15) x + 4 = 0$ has equal roots, then k =

Discussion

3213.	Two dices are thrown in simultaneously . How many results are possible for sum of values .
Answer» Two dices are thrown in simultaneously . How many results are possible for sum of values .

Discussion

3214.	In Fig. 13, a right circular cone of diameter r cm and height 12 cm rests on the base of a right circular cylinder of radius r cm. Their bases are in the same plane and the cylinder is filled with water upto a height of 12 cm. If the cone is then removed, find the height to which water level will fall.
Answer» In Fig. 13, a right circular cone of diameter r cm and height 12 cm rests on the base of a right circular cylinder of radius r cm. Their bases are in the same plane and the cylinder is filled with water upto a height of 12 cm. If the cone is then removed, find the height to which water level will fall.

Discussion

3215.	One year payment to the servant is Rs. 200 plus one shirt. The servant leaves after 9 months and receives Rs.120 and a shirt. The price of the shirt is Rs.___. (Enter 0 in case of Cannot be determined)
Answer» One year payment to the servant is Rs. 200 plus one shirt. The servant leaves after 9 months and receives Rs.120 and a shirt. The price of the shirt is Rs.___. (Enter 0 in case of Cannot be determined)

Discussion

3216.	How many integers are there from 500 to 2000 that leave a remainder of 2 on division by 5 and a remainder of 1 on division by 7?
Answer» How many integers are there from 500 to 2000 that leave a remainder of 2 on division by 5 and a remainder of 1 on division by 7?

Discussion

3217.	How many people having middle school, but not high school, education play only football ?___
Answer» How many people having middle school, but not high school, education play only football ?___

Discussion

3218.	A group of students equal in number to the square root of half the whole class is selected for a project. Two more students were selected as captain and vice captain. Rest of the class which form 89 th of class were given leave. Find the total number of students in the class?
Answer» A group of students equal in number to the square root of half the whole class is selected for a project. Two more students were selected as captain and vice captain. Rest of the class which form $\frac{8}{9}$ th of class were given leave. Find the total number of students in the class?

Discussion

3219.	What is the maximum number of girls who opted for Cooking Classes?
Answer» What is the maximum number of girls who opted for Cooking Classes?

Discussion

3220.	L and M make an appointment to meet on 20th Nov. 2005 at the CAT examination centre, but without fixing anything other than that the appointment is between 10 a.m. to 11 a.m. They decide to wait no longer than 10 minutes for each other. Assuming that each is independently likely to arrive at any time during the hour, find the probability that they will meet.
Answer» L and M make an appointment to meet on 20th Nov. 2005 at the CAT examination centre, but without fixing anything other than that the appointment is between 10 a.m. to 11 a.m. They decide to wait no longer than 10 minutes for each other. Assuming that each is independently likely to arrive at any time during the hour, find the probability that they will meet.

Discussion

3221.	Composer: The works of Mozart’s sister, Maria Anna Mozart (nicknamed Nannerl), unfortunately have not survived to the present-day. However, there is evidence as a child she travelled between European cities with her famous brother, showcasing her considerable harpsichord and pianoforte skills. Had her work survived, it’s likely posterity would have recognized two genius Mozarts, rather than one. Which of the following best suggests that the conclusion suggested by the composer is justified?
Answer» Composer: The works of Mozart’s sister, Maria Anna Mozart (nicknamed Nannerl), unfortunately have not survived to the present-day. However, there is evidence as a child she travelled between European cities with her famous brother, showcasing her considerable harpsichord and pianoforte skills. Had her work survived, it’s likely posterity would have recognized two genius Mozarts, rather than one. Which of the following best suggests that the conclusion suggested by the composer is justified?

Discussion

3222.	In each question, three statements showing relationships have been given, which are followed by two conclusions I and II. Assuming that the given statements are true, find out which conclusion(s) is/are definitely true. Statements : Z D, Fc D F $ G Conclusions: I. D c G II. Z G
Answer» In each question, three statements showing relationships have been given, which are followed by two conclusions I and II. Assuming that the given statements are true, find out which conclusion(s) is/are definitely true. Statements : Z D, Fc D F $$$ G Conclusions: I. D c G II. Z G

Discussion

3223.	Sarvesh visited Mumbai on which day of the week (starting from Monday and ending on Sunday of the same week)? I. Sarvesh visited Mumbai two days after his brother visited Chennai. II. Sarvesh did not visit Mumbai either on Wednesday or on Friday.
Answer» Sarvesh visited Mumbai on which day of the week (starting from Monday and ending on Sunday of the same week)? I. Sarvesh visited Mumbai two days after his brother visited Chennai. II. Sarvesh did not visit Mumbai either on Wednesday or on Friday.

3223.

Sarvesh visited Mumbai on which day of the week (starting from Monday and ending on Sunday of the same week)? I. Sarvesh visited Mumbai two days after his brother visited Chennai. II. Sarvesh did not visit Mumbai either on Wednesday or on Friday.

Answer»

Sarvesh visited Mumbai on which day of the week (starting from Monday and ending on Sunday of the same week)?

I. Sarvesh visited Mumbai two days after his brother visited Chennai.

II. Sarvesh did not visit Mumbai either on Wednesday or on Friday.

Discussion

3224.	If an be the nth term of an AP and If a10 = 10, then the value of the common difference that would make a8a10a12 greatest is
Answer» If $a_{n}$ be the $n^{t h}$ term of an AP and If $a_{10}$ = 10, then the value of the common difference that would make $a_{8} a_{10} a_{12}$ greatest is

Discussion

3225.	From a window (h m high above the ground) of a house in a street, the angles of elevations and depression of the top and front of another house on the opposite side of the street are θ and ϕ respectively, show that the height of the opposite house is h(1+tanθ.cotϕ)m
Answer» From a window (h m high above the ground) of a house in a street, the angles of elevations and depression of the top and front of another house on the opposite side of the street are $θ$ and $ϕ$ respectively, show that the height of the opposite house is $h (1 + t a n θ . c o t ϕ) m$

Discussion

3226.	The roots of the equation (x+10)(x+1)+19 is given by a and b. The greater ratio of roots of (x+a)(x+b)-11 is ___. (The answer will be of p/q form where p and q are integers, then input 'pq' in the provided space.)
Answer» The roots of the equation (x+10)(x+1)+19 is given by a and b. The greater ratio of roots of (x+a)(x+b)-11 is ___. (The answer will be of p/q form where p and q are integers, then input 'pq' in the provided space.)

Discussion

3227.	Ram and Shyam work on a job together and finish 60% of it. Ram takes leave after 4 days and Shyam works for eight more days to complete the job. How long would Ram take to complete the entire job alone?
Answer» Ram and Shyam work on a job together and finish 60% of it. Ram takes leave after 4 days and Shyam works for eight more days to complete the job. How long would Ram take to complete the entire job alone?

Discussion

3228.	The mean deviation of a3+b3ana3+b3 and a3−b3 (when (a & b>0)) is:
Answer» The mean deviation of $a^{3} + b^{3} a n a^{3} + b^{3} a n d a^{3} - b^{3}$ (when (a & b>0)) is:

Discussion

3229.	The expenditure of time, money and sparse judicial and prosecutorial resources is often justified by claims of a powerful deterrent message embodied in the ultimate punishment- the death penalty. But studies repeatedly suggest that there is no meaningful deterrent effect associated with the death penalty and further, any deterrent impact is no doubt greatly diluted by the amount of time that inevitably passes between the time of the conduct and the punishment. In 2010, the average time between sentencing and execution in the United States averaged nearly 15 years.
Answer» The expenditure of time, money and sparse judicial and prosecutorial resources is often justified by claims of a powerful deterrent message embodied in the ultimate punishment- the death penalty. But studies repeatedly suggest that there is no meaningful deterrent effect associated with the death penalty and further, any deterrent impact is no doubt greatly diluted by the amount of time that inevitably passes between the time of the conduct and the punishment. In 2010, the average time between sentencing and execution in the United States averaged nearly 15 years.

Discussion

3230.	The bisectors at opposites ∠s A and C of a cyclic quadrilateral ABCD intersect the circle at E and F respectively. Prove that EF is a diameter of the circle undefinedundefinedundefinedundefined
Answer» The bisectors at opposites $∠ s$ A and C of a cyclic quadrilateral ABCD intersect the circle at E and F respectively. Prove that EF is a diameter of the circle undefined undefined undefined undefined

Discussion

3231.	If non-zero numbers a,b,c are in H.P., then the straight line x/a + y/b + 1/c= 0 always passes through a fixed point, which is
Answer» If non-zero numbers a,b,c are in H.P., then the straight line x/a + y/b + 1/c= 0 always passes through a fixed point, which is

Discussion

3232.	The number of items of type I produced by company N in the month April was approximately what percentage of the number of items of type 2 produced by company N in the month of March?
Answer» The number of items of type I produced by company N in the month April was approximately what percentage of the number of items of type 2 produced by company N in the month of March?

Discussion

3233.	Maria is on the 23rd position from the starting and on 37th position from the end in his class. He is on 18th position from the starting and on 23rd position from the end among the students who passed. How many students failed?
Answer» Maria is on the 23 $^{r d}$ position from the starting and on 37 $^{t h}$ position from the end in his class. He is on 18 $^{t h}$ position from the starting and on 23 $^{r d}$ position from the end among the students who passed. How many students failed?

Discussion

3234.	Find the least number which when divided by 2,3,4,5, and 6 leaves a reminder of 1 in each case but when divided by 7 leaves no remainder.
Answer» Find the least number which when divided by $2, 3, 4, 5,$ and $6$ leaves a reminder of $1$ in each case but when divided by $7$ leaves no remainder.

Discussion

3235.	A number when divided by by 9 gives 8 as a remainder. What will be the remainder obtained when the same number is divided by 3.
Answer» A number when divided by by 9 gives 8 as a remainder. What will be the remainder obtained when the same number is divided by 3.

Discussion

3236.	Three circles C1, C2 and C3 having diameters 3 cm, 4 cm and 5 cm are intersecting each other such that their diameters form a triangle. If the area common to circles C1 and C2, C2 and C3, C3 and C1 are a, b and c respectively then find the area common to all the three circles.
Answer» Three circles C1, C2 and C3 having diameters 3 cm, 4 cm and 5 cm are intersecting each other such that their diameters form a triangle. If the area common to circles C1 and C2, C2 and C3, C3 and C1 are a, b and c respectively then find the area common to all the three circles.

Discussion

3237.	The below question consists of a question figure and followed by four figures (a), (b), (c) and (d). Choose one out of these four figures that can replace ‘?’ to complete the question figure.
Answer» The below question consists of a question figure and followed by four figures (a), (b), (c) and (d). Choose one out of these four figures that can replace ‘?’ to complete the question figure.

Discussion

3238.	bake never store 51 26 33 age 49 Which of the following will be step V?
Answer» bake never store 51 26 33 age 49 Which of the following will be step V?

3238.

bake never store 51 26 33 age 49 Which of the following will be step V?

Answer»

bake never store 51 26 33 age 49

Which of the following will be step V?

Discussion

3239.	Let U = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } T = {2, 3, 9} V = {8, 9, 10 }. Find (T′∪V)′
Answer» Let U = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } T = {2, 3, 9} V = {8, 9, 10 }. Find $(T^{'} \cup V)^{'}$

Discussion

3240.	If the pass code for 5 p.m. to 6 p.m. is 'out in above over the field end', what will be the pass code for 1 p.m. to 2 p.m.?
Answer» If the pass code for 5 p.m. to 6 p.m. is 'out in above over the field end', what will be the pass code for 1 p.m. to 2 p.m.?

Discussion

3241.	A, B and C shoot to hit a target. If A hits the target 4 times in 5 trials, B hits it 3 times in 4 trials and C hits it 2 times in 3 trials. What is the probability that the target is hit by atleast 2 persons?
Answer» A, B and C shoot to hit a target. If A hits the target 4 times in 5 trials, B hits it 3 times in 4 trials and C hits it 2 times in 3 trials. What is the probability that the target is hit by atleast 2 persons?

Discussion

3242.	Find the number of zeroes at the end of 1098765432*1
Answer» Find the number of zeroes at the end of 1098765432*1

Discussion

3243.	The length of a rectangle is decreased by 20% and breadth increased by 20%. The area will
Answer» The length of a rectangle is decreased by $20 %$ and breadth increased by $20 % .$ The area will

Discussion

3244.	What is the measure of 1 angle of a regular pentagon (in degrees)? ___
Answer» What is the measure of 1 angle of a regular pentagon (in degrees)? ___

Discussion

3245.	Q. You are the head of the Human Resources department of an organisation. One day one of the workers died on duty. His family was demanding compensation. However, the company denied compensation because it was revealed in an investigation that he was drunk at the time of the accident. The workers of the company went on strike demanding compensation for the family of the deceased. The Chairman of the Management board has asked for your recommendation. What recommendations would you provide the management? Discuss the merits and demerits of each of the recommendations.
Answer» Q. You are the head of the Human Resources department of an organisation. One day one of the workers died on duty. His family was demanding compensation. However, the company denied compensation because it was revealed in an investigation that he was drunk at the time of the accident. The workers of the company went on strike demanding compensation for the family of the deceased. The Chairman of the Management board has asked for your recommendation. What recommendations would you provide the management? Discuss the merits and demerits of each of the recommendations.

3245.

Q. You are the head of the Human Resources department of an organisation. One day one of the workers died on duty. His family was demanding compensation. However, the company denied compensation because it was revealed in an investigation that he was drunk at the time of the accident. The workers of the company went on strike demanding compensation for the family of the deceased. The Chairman of the Management board has asked for your recommendation. What recommendations would you provide the management? Discuss the merits and demerits of each of the recommendations.

Answer»

Q. You are the head of the Human Resources department of an organisation. One day one of the workers died on duty. His family was demanding compensation. However, the company denied compensation because it was revealed in an investigation that he was drunk at the time of the accident. The workers of the company went on strike demanding compensation for the family of the deceased. The Chairman of the Management board has asked for your recommendation.

What recommendations would you provide the management?

Discuss the merits and demerits of each of the recommendations.

Discussion

3246.	The digits of a positive number, of three digits are in A.P. and their sum is 15.The number obtained by reversing the digits is 594 less than the original number. Find the number.
Answer» The digits of a positive number, of three digits are in A.P. and their sum is 15.The number obtained by reversing the digits is 594 less than the original number. Find the number.

Discussion

3247.	Why can Carnot engine not have 100% efficiency?
Answer» Why can Carnot engine not have $100 %$ efficiency?

Discussion

3248.	Two coins are kept in a square of side 1 as shown in the diagram. The sum of the radii of coins is
Answer» Two coins are kept in a square of side 1 as shown in the diagram. The sum of the radii of coins is

3248.

Two coins are kept in a square of side 1 as shown in the diagram. The sum of the radii of coins is

Answer»

Two coins are kept in a square of side 1 as shown in the diagram. The sum of the radii of coins is

Discussion

3249.	Eight friends namely A,B,C,D,E,F,G and H bought the same commodity. The barcode printed on the commodity read : Whose commodity does the article number Dsdf23231df54s3321ef84b refer to ?
Answer» Eight friends namely A,B,C,D,E,F,G and H bought the same commodity. The barcode printed on the commodity read : Whose commodity does the article number Dsdf23231df54s3321ef84b refer to ?

3249.

Eight friends namely A,B,C,D,E,F,G and H bought the same commodity. The barcode printed on the commodity read : Whose commodity does the article number Dsdf23231df54s3321ef84b refer to ?

Answer»

Eight friends namely A,B,C,D,E,F,G and H bought the same commodity.

The barcode printed on the commodity read :

Whose commodity does the article number Dsdf23231df54s3321ef84b refer to ?

Discussion

3250.	How many non-zero integral values of X, Y and Z are there, such that Z2=X2+Y2 and Z2≤100?___
Answer» How many non-zero integral values of X, Y and Z are there, such that $Z^{2} = X^{2} + Y^{2}$ and $Z^{2} \leq 100$ ?___

Discussion

Explore topic-wise InterviewSolutions in .

Find the center of a circle passing through the points ( 6,-6), ( 3, -7) and (3,3).

Two circles of radii 10 cm and 8 cm intersect and the length of the common chord is 12 cm. Find the distance between the centers.

In a class of 45 students, a boy is ranked joined 20th. When two boys joined, his rank was dropped by one. What is his new rank from the end ?

In the figure given alongside, a circle is inscribed in a square of side 4cm and another circle is circumscribing the square. Prove that the area of the circumscribed circle is two times the area of the inscribed circle.

The remainder obtained when(19103+192) is divided by 20 is

What is the average of all the numbers allocated to the slots?___

What could be the size of the team that includes G?

As shown in the figure, triangle PAB is formed by the three tangents to the circle with center O and ∠APB=40∘.∠AOB equals:___

In a college 50% students are boys out of which 40% have got 80% and above marks. Overall, 45% of all the students have got 80% and above marks. Find the percentage of girls who have got less than 80% marks.

Approximately what was the ratio between average sales of States B &amp; C respectively?

If x, y, z are positive numbers such that x + [y] + {z} = 3.8, [x] + {y} + z = 3.2, {x} + y + [z] = 2.2, where [p] denotes the greatest integer less than or equal to p and {p} denotes the fractional part of p. E.g. [1.23] = 1, {1.23} = 0.23 = 23100. The numerical value of [x2+y2+z2] is -

If the equation (3x)2+(27×31k−15)x+4=0 has equal roots, then k =

Two dices are thrown in simultaneously . How many results are possible for sum of values .

One year payment to the servant is Rs. 200 plus one shirt. The servant leaves after 9 months and receives Rs.120 and a shirt. The price of the shirt is Rs.___. (Enter 0 in case of Cannot be determined)

How many integers are there from 500 to 2000 that leave a remainder of 2 on division by 5 and a remainder of 1 on division by 7?

How many people having middle school, but not high school, education play only football ?___

A group of students equal in number to the square root of half the whole class is selected for a project. Two more students were selected as captain and vice captain. Rest of the class which form 89 th of class were given leave. Find the total number of students in the class?

What is the maximum number of girls who opted for Cooking Classes?

In each question, three statements showing relationships have been given, which are followed by two conclusions I and II. Assuming that the given statements are true, find out which conclusion(s) is/are definitely true. Statements : Z D, Fc D F $ G Conclusions: I. D c G II. Z G

Sarvesh visited Mumbai on which day of the week (starting from Monday and ending on Sunday of the same week)? I. Sarvesh visited Mumbai two days after his brother visited Chennai. II. Sarvesh did not visit Mumbai either on Wednesday or on Friday.

If an be the nth term of an AP and If a10 = 10, then the value of the common difference that would make a8a10a12 greatest is

From a window (h m high above the ground) of a house in a street, the angles of elevations and depression of the top and front of another house on the opposite side of the street are θ and ϕ respectively, show that the height of the opposite house is h(1+tanθ.cotϕ)m

The roots of the equation (x+10)(x+1)+19 is given by a and b. The greater ratio of roots of (x+a)(x+b)-11 is ___. (The answer will be of p/q form where p and q are integers, then input 'pq' in the provided space.)

Ram and Shyam work on a job together and finish 60% of it. Ram takes leave after 4 days and Shyam works for eight more days to complete the job. How long would Ram take to complete the entire job alone?

The mean deviation of a3+b3ana3+b3 and a3−b3 (when (a & b>0)) is:

The bisectors at opposites ∠s A and C of a cyclic quadrilateral ABCD intersect the circle at E and F respectively. Prove that EF is a diameter of the circle undefinedundefinedundefinedundefined

If non-zero numbers a,b,c are in H.P., then the straight line x/a + y/b + 1/c= 0 always passes through a fixed point, which is

The number of items of type I produced by company N in the month April was approximately what percentage of the number of items of type 2 produced by company N in the month of March?

Maria is on the 23rd position from the starting and on 37th position from the end in his class. He is on 18th position from the starting and on 23rd position from the end among the students who passed. How many students failed?

Find the least number which when divided by 2,3,4,5, and 6 leaves a reminder of 1 in each case but when divided by 7 leaves no remainder.

A number when divided by by 9 gives 8 as a remainder. What will be the remainder obtained when the same number is divided by 3.

Three circles C1, C2 and C3 having diameters 3 cm, 4 cm and 5 cm are intersecting each other such that their diameters form a triangle. If the area common to circles C1 and C2, C2 and C3, C3 and C1 are a, b and c respectively then find the area common to all the three circles.

The below question consists of a question figure and followed by four figures (a), (b), (c) and (d). Choose one out of these four figures that can replace ‘?’ to complete the question figure.

bake never store 51 26 33 age 49 Which of the following will be step V?

Let U = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10 } T = {2, 3, 9} V = {8, 9, 10 }. Find (T′∪V)′

If the pass code for 5 p.m. to 6 p.m. is 'out in above over the field end', what will be the pass code for 1 p.m. to 2 p.m.?

A, B and C shoot to hit a target. If A hits the target 4 times in 5 trials, B hits it 3 times in 4 trials and C hits it 2 times in 3 trials. What is the probability that the target is hit by atleast 2 persons?

Find the number of zeroes at the end of 10*9*8*7*6*5*4*3*2*1

The length of a rectangle is decreased by 20% and breadth increased by 20%. The area will

What is the measure of 1 angle of a regular pentagon (in degrees)? ___

The digits of a positive number, of three digits are in A.P. and their sum is 15.The number obtained by reversing the digits is 594 less than the original number. Find the number.

Why can Carnot engine not have 100% efficiency?

Two coins are kept in a square of side 1 as shown in the diagram. The sum of the radii of coins is

Eight friends namely A,B,C,D,E,F,G and H bought the same commodity. The barcode printed on the commodity read : Whose commodity does the article number Dsdf23231df54s3321ef84b refer to ?

How many non-zero integral values of X, Y and Z are there, such that Z2=X2+Y2 and Z2≤100?___

Approximately what was the ratio between average sales of States B & C respectively?

Find the number of zeroes at the end of 1098765432*1