19743 + Interview Questions in Mathematics Page 165 InterviewSolution

8201.	At a local store, a 5% discount is applied on purchases over 200 $, if Martha's bill is for 500 $ , the final amount she has to pay at checkout counter is475
Answer» At a local store, a 5% discount is applied on purchases over 200 $$$ , if Martha's bill is for 500 $$$ , the final amount she has to pay at checkout counter is 475

8201.

At a local store, a 5% discount is applied on purchases over 200 $, if Martha's bill is for 500 $ , the final amount she has to pay at checkout counter is475

Answer»

At a local store, a 5% discount is applied on purchases over 200 $$$ , if Martha's bill is for 500 $$$ , the final amount she has to pay at checkout counter is

475

Discussion

8202.	In the given figure, if AB = AC and ∠B = ∠C. Prove that BQ = CP.
Answer» In the given figure, if AB = AC and ∠B = ∠C. Prove that BQ = CP.

Discussion

8203.	Question 65 State whether the statement is True or False. A parallelogram has two lines of symmetry.
Answer» Question 65 State whether the statement is True or False. A parallelogram has two lines of symmetry.

Discussion

8204.	Prateek travels 300 m from home to temple and 495 m from temple to school. What is the total distance (in km) travelled by him?
Answer» Prateek travels 300 m from home to temple and 495 m from temple to school. What is the total distance (in km) travelled by him?

Discussion

8205.	The power set of {1,2} is
Answer» The power set of ${1, 2}$ is

Discussion

8206.	Consider the experiment in which a coin is tossed repeatedly until a head comes up. Describe the sample space.
Answer» Consider the experiment in which a coin is tossed repeatedly until a head comes up. Describe the sample space.

Discussion

8207.	The smallest positive integer is-
Answer» The smallest positive integer is-

Discussion

8208.	पाठ में अनेक स्थलों पर प्रकृति का मानवीकरण किया गया है। पाठ में से ऐसे अंश चुनिए और उनका आशय स्पष्ट कीजिए।
Answer» पाठ में अनेक स्थलों पर प्रकृति का मानवीकरण किया गया है। पाठ में से ऐसे अंश चुनिए और उनका आशय स्पष्ट कीजिए।

Discussion

8209.	What is the additive inverse of 23?
Answer» What is the additive inverse of $\frac{2}{3}$ ?

Discussion

8210.	What should be multiplied to 22.47 to get 2247 ?
Answer» What should be multiplied to 22.47 to get 2247 ?

Discussion

8211.	4x3y4 when divided by −2y2x gives:
Answer» $4 x^{3} y^{4}$ when divided by $- 2 y^{2} x$ gives:

Discussion

8212.	Question 24 In questions 24 to 59, fill in the blanks to make the statements true. 2 : 3 = ___ %
Answer» Question 24 In questions 24 to 59, fill in the blanks to make the statements true. 2 : 3 = ___ %

8212.

Question 24 In questions 24 to 59, fill in the blanks to make the statements true. 2 : 3 = ___ %

Answer»

Question 24

In questions 24 to 59, fill in the blanks to make the statements true.
2 : 3 = ___ %

Discussion

8213.	The interest earned on investing $ 1000 for a period of 2 years at a simple rate of interest of 10% is
Answer» The interest earned on investing $$ 1000$ for a period of $2$ years at a simple rate of interest of $10 %$ is

Discussion

8214.	y-6=1/6x 3/4x=1+y
Answer» y-6=1/6x 3/4x=1+y

8214.

y-6=1/6x 3/4x=1+y

Answer»

y-6=1/6x

3/4x=1+y

Discussion

8215.	Write in descending order 1/5 , 3/7, 7/10
Answer» Write in descending order 1/5 , 3/7, 7/10

8215.

Write in descending order 1/5 , 3/7, 7/10

Answer»

Write in descending order

1/5 , 3/7, 7/10

Discussion

8216.	In the following figure, ABCD is a square of side 2a, Find the ratio between(i) the circumferences(ii) the areas of the in circle and the circum-circle of the square.
Answer» In the following figure, ABCD is a square of side 2a, Find the ratio between (i) the circumferences (ii) the areas of the in circle and the circum-circle of the square.

Discussion

8217.	Sahil bought a second-hand bicycle for ₹3000 and then spent ₹1000 on repairs. He sold it for ₹5000. What is the profit or loss %?
Answer» Sahil bought a second-hand bicycle for ₹3000 and then spent ₹1000 on repairs. He sold it for ₹5000. What is the profit or loss %?

Discussion

8218.	Which among the following pictures will look the same on 13 of a turn?
Answer» Which among the following pictures will look the same on $\frac{1}{3}$ of a turn?

Discussion

8219.	What is the number of triangles can be drawn if all the three angles are known? ___
Answer» What is the number of triangles can be drawn if all the three angles are known? ___

Discussion

8220.	Give first the step you will use to separate the variable and then solve the equation: (a) x + 1 = 0 (b) x + 1 = 0 (c) x − 1 = 5 (d) x + 6 = 2 (e) y − 4 = − 7 (f) y − 4 = 4 (g) y + 4 = 4 (h) y + 4 = − 4
Answer» Give first the step you will use to separate the variable and then solve the equation: (a) x + 1 = 0 (b) x + 1 = 0 (c) x − 1 = 5 (d) x + 6 = 2 (e) y − 4 = − 7 (f) y − 4 = 4 (g) y + 4 = 4 (h) y + 4 = − 4

8220.

Give first the step you will use to separate the variable and then solve the equation: (a) x + 1 = 0 (b) x + 1 = 0 (c) x − 1 = 5 (d) x + 6 = 2 (e) y − 4 = − 7 (f) y − 4 = 4 (g) y + 4 = 4 (h) y + 4 = − 4

Answer»

Give first
the step you will use to separate the variable and then solve the
equation:

(a) x
+ 1 = 0 (b) x + 1 = 0 (c) x − 1 = 5

(d) x
+ 6 = 2 (e) y − 4 = − 7 (f) y − 4 =
4

(g) y
+ 4 = 4 (h) y + 4 = − 4

Discussion

8221.	Ice creams are on a sale! Each ice cream costs $2 less than the original price. David buys 3 of them and it costs him $18. Find the original price of each ice cream.
Answer» Ice creams are on a sale! Each ice cream costs $$ 2$ less than the original price. David buys 3 of them and it costs him $$ 18.$ Find the original price of each ice cream.

Discussion

8222.	When a person aged 39 is added to a group of n people, the average age increases by 2. When a person aged 15 added instead, the average age decreases by 1. The value of n is 7
Answer» When a person aged 39 is added to a group of n people, the average age increases by 2. When a person aged 15 added instead, the average age decreases by 1. The value of n is 7

Discussion

8223.	The lower limit of the class interval 35-45 is
Answer» The lower limit of the class interval 35-45 is

8223.

The lower limit of the class interval 35-45 is

Answer»

The lower limit of the class interval 35-45 is

Discussion

8224.	Question 79−34 is smaller than - 2
Answer» Question 79 $- \frac{3}{4}$ is smaller than - 2

Discussion

8225.	Mack bought 100 m of cloth for $567. Find the cost of the cloth per meter.
Answer» Mack bought $100 m$ of cloth for $$ 567$ . Find the cost of the cloth per meter.

Discussion

8226.	What is average and how to find it?
Answer» What is average and how to find it?

Discussion

8227.	Fill the circles on the sides of the given triangle with so as to get the sum on each side as .
Answer» Fill the circles on the sides of the given triangle with so as to get the sum on each side as .

8227.

Fill the circles on the sides of the given triangle with so as to get the sum on each side as .

Answer»

Fill the circles on the sides of the given triangle with so as to get the sum on each side as .

Discussion

8228.	Which of the following the is the correct order?
Answer» Which of the following the is the correct order?

Discussion

8229.	the ratio of three numbers is 3:4:7 andtheir product is 18144. the numbers are : (A) 9,12,21 (B) 15,20,25 (C) 18,24,42 (D) none of these.
Answer» the ratio of three numbers is 3:4:7 andtheir product is 18144. the numbers are : (A) 9,12,21 (B) 15,20,25 (C) 18,24,42 (D) none of these.

Discussion

8230.	Find the square root of 0.053361.
Answer» Find the square root of 0.053361.

Discussion

8231.	1-[7-{5-3(9-(3-6))}]
Answer» 1-[7-{5-3(9-(3-6))}]

Discussion

8232.	12. A shopkeeper sells a table at 8% profit and a chair at 10% discount thereby getting 1008 if he had sold the table at 10% profit and chair at 8 % discount he would have got 20 more find the cost price of the table and the list prize of the chair
Answer» 12. A shopkeeper sells a table at 8% profit and a chair at 10% discount thereby getting 1008 if he had sold the table at 10% profit and chair at 8 % discount he would have got 20 more find the cost price of the table and the list prize of the chair

Discussion

8233.	When a die is thrown, list the outcomes of an event of getting:(a) a prime number (b) not a prime number
Answer» When a die is thrown, list the outcomes of an event of getting: (a) a prime number (b) not a prime number

Discussion

8234.	A bike covers one-half of its journey with speed X, next one-fourth with speed 10 m/s and last one-fourth with speed 20 m/s. The average speed of the bike during the entire journey is 5 m/s, then the value of X is approximately
Answer» A bike covers one-half of its journey with speed X, next one-fourth with speed 10 m/s and last one-fourth with speed 20 m/s. The average speed of the bike during the entire journey is 5 m/s, then the value of X is approximately

Discussion

8235.	Question 17The expression obtained when x is multiplied by 2 and then subtracted from 3 is(a) 2x−3(b) 2x+3(c) 3−2x(d) 3x−2
Answer» Question 17 The expression obtained when $x$ is multiplied by 2 and then subtracted from 3 is (a) $2 x - 3$ (b) $2 x + 3$ (c) $3 - 2 x$ (d) $3 x - 2$

8235.

Question 17The expression obtained when x is multiplied by 2 and then subtracted from 3 is(a) 2x−3(b) 2x+3(c) 3−2x(d) 3x−2

Answer»

Question 17

The expression obtained when $x$ is multiplied by 2 and then subtracted from 3 is

(a) $2 x - 3$

(b) $2 x + 3$

(c) $3 - 2 x$

(d) $3 x - 2$

Discussion

8236.	In the Freundlich adsorption equation x/m=kp^{1/n}the value of n is (1)Always greater than one(2) Always smaller than one(4)None of these(3) Always equal to one
Answer» In the Freundlich adsorption equation x/m=kp^{1/n}the value of n is (1)Always greater than one(2) Always smaller than one(4)None of these(3) Always equal to one

Discussion

8237.	Question 5Prove that two lines that are respectively perpendicular to two intersecting line intersect each other.
Answer» Question 5 Prove that two lines that are respectively perpendicular to two intersecting line intersect each other.

Discussion

8238.	Question 136Evaluate: {52+(122)12}3
Answer» Question 136 Evaluate: ${5^{2} + (12^{2})^{\frac{1}{2}}}^{3}$

8238.

Question 136Evaluate: {52+(122)12}3

Answer»

Question 136

Evaluate: ${5^{2} + (12^{2})^{\frac{1}{2}}}^{3}$

Discussion

8239.	find the measure of the angle which is complement of itself. find the value of x
Answer» find the measure of the angle which is complement of itself. find the value of x

Discussion

8240.	What is additive inverse?
Answer» What is additive inverse?

Discussion

8241.	Question 8Find the area of the shaded field shown in figure.
Answer» Question 8 Find the area of the shaded field shown in figure.

Discussion

8242.

Identify the correct relation between the number of teams and the number of coaches.Number of teams (x)5710Number of coaches (y)131723

Answer»

Identify the correct relation between the number of teams and the number of coaches.

Number of teams (x)	5	7	10
Number of coaches (y)	13	17	23

Discussion

8243.	Ramu weighs 45 Kg, then the weight due to water present in his body is
Answer» Ramu weighs 45 Kg, then the weight due to water present in his body is

Discussion

8244.	If the interest earned on a certain principal deposited is one-tenth of the principal (say P), determine the amount and rate of interest.
Answer» If the interest earned on a certain principal deposited is one-tenth of the principal (say P), determine the amount and rate of interest.

Discussion

8245.	Which of the following probability can represent a likely event?
Answer» Which of the following probability can represent a likely event?

Discussion

8246.	Write all the integers between the given pairs (write them in the increasing order.) (a) 0 and − 7 (b) − 4 and 4 (c) − 8 and − 15 (d) − 30 and − 23
Answer» Write all the integers between the given pairs (write them in the increasing order.) (a) 0 and − 7 (b) − 4 and 4 (c) − 8 and − 15 (d) − 30 and − 23

8246.

Write all the integers between the given pairs (write them in the increasing order.) (a) 0 and − 7 (b) − 4 and 4 (c) − 8 and − 15 (d) − 30 and − 23

Answer»

Write all the integers between the given pairs (write them in the
increasing order.)

(a) 0 and
− 7 (b) − 4 and 4

(c) −
8 and − 15 (d) − 30 and − 23

Discussion

8247.	The integer -2 - (-5) can also be written as
Answer» The integer -2 - (-5) can also be written as

Discussion

8248.	Find the areas and perimeter of all the three given figures. Each small square in the grid is 1 sq. unit
Answer» Find the areas and perimeter of all the three given figures. Each small square in the grid is 1 sq. unit

Discussion

8249.	ABCD is a rectangle in the diagram. P is a point on the side CD. Show that the area of ∆AQB is equal to the sum of the areas of ∆PQD and ∆PCB.
Answer» ABCD is a rectangle in the diagram. P is a point on the side CD. Show that the area of ∆AQB is equal to the sum of the areas of ∆PQD and ∆PCB.

Discussion

8250.

Find:(i) (ii) (iii) (iv) (v) (vi)

Answer»

Find:

(i) (ii) (iii)

(iv) (v) (vi)

Discussion

Explore topic-wise InterviewSolutions in .

At a local store, a 5% discount is applied on purchases over 200 $, if Martha's bill is for 500 $ , the final amount she has to pay at checkout counter is475

In the given figure, if AB = AC and ∠B = ∠C. Prove that BQ = CP.

Question 65 State whether the statement is True or False. A parallelogram has two lines of symmetry.

Prateek travels 300 m from home to temple and 495 m from temple to school. What is the total distance (in km) travelled by him?

The power set of {1,2} is

Consider the experiment in which a coin is tossed repeatedly until a head comes up. Describe the sample space.

The smallest positive integer is-

पाठ में अनेक स्थलों पर प्रकृति का मानवीकरण किया गया है। पाठ में से ऐसे अंश चुनिए और उनका आशय स्पष्ट कीजिए।

What is the additive inverse of 23?

What should be multiplied to 22.47 to get 2247 ?

4x3y4 when divided by −2y2x gives:

Question 24 In questions 24 to 59, fill in the blanks to make the statements true. 2 : 3 = ___ %

The interest earned on investing $ 1000 for a period of 2 years at a simple rate of interest of 10% is

y-6=1/6x 3/4x=1+y

Write in descending order 1/5 , 3/7, 7/10

In the following figure, ABCD is a square of side 2a, Find the ratio between(i) the circumferences(ii) the areas of the in circle and the circum-circle of the square.

Sahil bought a second-hand bicycle for ₹3000 and then spent ₹1000 on repairs. He sold it for ₹5000. What is the profit or loss %?

Which among the following pictures will look the same on 13 of a turn?

What is the number of triangles can be drawn if all the three angles are known? ___

Give first the step you will use to separate the variable and then solve the equation: (a) x + 1 = 0 (b) x + 1 = 0 (c) x − 1 = 5 (d) x + 6 = 2 (e) y − 4 = − 7 (f) y − 4 = 4 (g) y + 4 = 4 (h) y + 4 = − 4

Ice creams are on a sale! Each ice cream costs $2 less than the original price. David buys 3 of them and it costs him $18. Find the original price of each ice cream.

When a person aged 39 is added to a group of n people, the average age increases by 2. When a person aged 15 added instead, the average age decreases by 1. The value of n is 7

The lower limit of the class interval 35-45 is

Question 79−34 is smaller than - 2

Mack bought 100 m of cloth for $567. Find the cost of the cloth per meter.

What is average and how to find it?

Fill the circles on the sides of the given triangle with so as to get the sum on each side as .

Which of the following the is the correct order?

the ratio of three numbers is 3:4:7 andtheir product is 18144. the numbers are : (A) 9,12,21 (B) 15,20,25 (C) 18,24,42 (D) none of these.

Find the square root of 0.053361.

1-[7-{5-3(9-(3-6))}]

12. A shopkeeper sells a table at 8% profit and a chair at 10% discount thereby getting 1008 if he had sold the table at 10% profit and chair at 8 % discount he would have got 20 more find the cost price of the table and the list prize of the chair

When a die is thrown, list the outcomes of an event of getting:(a) a prime number (b) not a prime number

A bike covers one-half of its journey with speed X, next one-fourth with speed 10 m/s and last one-fourth with speed 20 m/s. The average speed of the bike during the entire journey is 5 m/s, then the value of X is approximately

Question 17The expression obtained when x is multiplied by 2 and then subtracted from 3 is(a) 2x−3(b) 2x+3(c) 3−2x(d) 3x−2

In the Freundlich adsorption equation x/m=kp^{1/n}the value of n is (1)Always greater than one(2) Always smaller than one(4)None of these(3) Always equal to one

Question 5Prove that two lines that are respectively perpendicular to two intersecting line intersect each other.

Question 136Evaluate: {52+(122)12}3

find the measure of the angle which is complement of itself. find the value of x

What is additive inverse?

Question 8Find the area of the shaded field shown in figure.

Identify the correct relation between the number of teams and the number of coaches.Number of teams (x)5710Number of coaches (y)131723

Ramu weighs 45 Kg, then the weight due to water present in his body is

If the interest earned on a certain principal deposited is one-tenth of the principal (say P), determine the amount and rate of interest.

Which of the following probability can represent a likely event?

Write all the integers between the given pairs (write them in the increasing order.) (a) 0 and − 7 (b) − 4 and 4 (c) − 8 and − 15 (d) − 30 and − 23

The integer -2 - (-5) can also be written as

Find the areas and perimeter of all the three given figures. Each small square in the grid is 1 sq. unit

ABCD is a rectangle in the diagram. P is a point on the side CD. Show that the area of ∆AQB is equal to the sum of the areas of ∆PQD and ∆PCB.

Find:(i) (ii) (iii) (iv) (v) (vi)