19743 + Interview Questions in Mathematics Page 196 InterviewSolution

9751.	Nandini borrowed ₹550 from her friend at 8% per annum. She returned the amount after 6 months. How much did she pay?
Answer» Nandini borrowed ₹550 from her friend at 8% per annum. She returned the amount after 6 months. How much did she pay?

Discussion

9752.	If P(¯¯¯¯E)=973, then find the value of 2×P(E).
Answer» If $P (¯ ¯¯ ¯ E) = \frac{9}{73}$ , then find the value of $2 \times P (E)$ .

Discussion

9753.	A train 50m long passes over a bridge at a speed of 30kh/h. If it takes 36s to cross the bridge, the length of the bridge will be
Answer» A train 50m long passes over a bridge at a speed of 30kh/h. If it takes 36s to cross the bridge, the length of the bridge will be

Discussion

9754.	Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.
Answer» Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.

Discussion

9755.	Write which is a set and which is not a set in the groups given below. All negative whole numbers
Answer» Write which is a set and which is not a set in the groups given below. All negative whole numbers

9755.

Write which is a set and which is not a set in the groups given below. All negative whole numbers

Answer»

Write which is a set and which is not a set in the groups given below.

All negative whole numbers

Discussion

9756.	Find the mean salary of 60 workers of a factory from the following table: Salary (in ₹)Number of workers30001640001250001060008700068000490003100001Total60
Answer» Find the mean salary of 60 workers of a factory from the following table: $\begin{matrix} S a l a r y (i n ₹) & N u m b e r o f w o r k e r s 3000 & 16 4000 & 12 5000 & 10 6000 & 8 7000 & 6 8000 & 4 9000 & 3 10000 & 1 T o t a l & 60 \end{matrix}$

Discussion

9757.	A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?
Answer» A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?

Discussion

9758.	-x + (x+1) + (x+2) - (x+3) = ____
Answer» -x + (x+1) + (x+2) - (x+3) = ____

Discussion

9759.	Suhas surveyed the opinions of 50 students from his class on the impact of social media in their lives. How many students in the class responded in a positive way?
Answer» Suhas surveyed the opinions of $50$ students from his class on the impact of social media in their lives. How many students in the class responded in a positive way?

Discussion

9760.	18:15 and are equavalent ratios.
Answer» $18 : 15$ and are equavalent ratios.

Discussion

9761.	If the cost of 525 litres of milk is ₹10114, then the cost per litre is .
Answer» If the cost of $5 \frac{2}{5}$ litres of milk is ₹ $101 \frac{1}{4}$ , then the cost per litre is .

Discussion

9762.	The employees of an office belonging to different gender given below: GenderNumber of employeesMale288Female252transgender72 Find the ratio of the number of male employees to the number of transgender employees.
Answer» The employees of an office belonging to different gender given below: $\begin{matrix} Gender & Number of employees Male & 288 Female & 252 transgender & 72 \end{matrix}$ Find the ratio of the number of male employees to the number of transgender employees.

Discussion

9763.	What is the average speed of a train that travels from one station to another station at a uniform speed of 40kmph and returns to the initial station at 60kmph.
Answer» What is the average speed of a train that travels from one station to another station at a uniform speed of 40kmph and returns to the initial station at 60kmph.

Discussion

9764.	ntsolve:-n nt(2+i)x square + (i-5)x - 2(i-1)=0n ntn
Answer» ntsolve:-n nt(2+i)x square + (i-5)x - 2(i-1)=0n ntn

Discussion

9765.	Simplification of (p+a)5=3p yields
Answer» Simplification of $\frac{(p + a)}{5} = 3 p$ yields

Discussion

9766.	The picnic spot is 55 km away from a school. The first stop is taken at 22 km from the school. What percentage of the distance is remaining to reach the destination?
Answer» The picnic spot is 55 km away from a school. The first stop is taken at 22 km from the school. What percentage of the distance is remaining to reach the destination?

Discussion

9767.	Sum of all the exterior angles of a triangle is equal to degrees.
Answer» Sum of all the exterior angles of a triangle is equal to degrees.

Discussion

9768.	I buy a T.V. for Rs 10,000 and sell it at a profit of 20%. How much money do I get for it?
Answer» I buy a T.V. for Rs 10,000 and sell it at a profit of 20%. How much money do I get for it?

Discussion

9769.	Write the given value in the form of decimals: Four tens five hundredths and seven-thousandths
Answer» Write the given value in the form of decimals: Four tens five hundredths and seven-thousandths

Discussion

9770.	A man packs 260 bundles in 5 days. How many bundles can he pack in 7 days?
Answer» A man packs 260 bundles in 5 days. How many bundles can he pack in 7 days?

Discussion

9771.	The value of p+q+r=50. If p=12 and q=8 then find the value of r.
Answer» The value of $p + q + r = 50$ . If $p = 12$ and $q = 8$ then find the value of $r$ .

Discussion

9772.	25a5b5c3 ÷ 5a4b4c2 =
Answer» $25 a^{5} b^{5} c^{3} \div 5 a^{4} b^{4} c^{2}$ =

Discussion

9773.	In the given figure, write the following:(i) Write the point identified by the coordinates (-3, -5).(ii) Write the point identified by the coordinates (2, -4).
Answer» In the given figure, write the following: (i) Write the point identified by the coordinates (-3, -5). (ii) Write the point identified by the coordinates (2, -4).

Discussion

9774.	if the lines 4x +3y =1, y=x+5 and 5y +bx =3 are concurrent, then the value of b
Answer» if the lines 4x +3y =1, y=x+5 and 5y +bx =3 are concurrent, then the value of b

Discussion

9775.	Question 4In the given figure, if x+y=w+z, then prove that AOB is a line.
Answer» Question 4 In the given figure, if $x + y = w + z,$ then prove that AOB is a line.

Discussion

9776.	Observe the figure and fill in the blanks:(a) ‘O’ = ……….(b) OA = ……….(c) BOC = ……..(d) DE = ……….
Answer» Observe the figure and fill in the blanks: (a) ‘O’ = ………. (b) OA = ………. (c) BOC = …….. (d) DE = ……….

9776.

Observe the figure and fill in the blanks:(a) ‘O’ = ……….(b) OA = ……….(c) BOC = ……..(d) DE = ……….

Answer»

Observe the figure and fill in the blanks:

(a) ‘O’ = ……….

(b) OA = ……….

(c) BOC = ……..

(d) DE = ……….

Discussion

9777.	The number 4000 is first increased by 25% and then decreased by 30%. Find the resulting increase or decrease %.
Answer» The number 4000 is first increased by 25% and then decreased by 30%. Find the resulting increase or decrease %.

Discussion

9778.	The number of minterms after minimizing the following Boolean expression [D′+AB′+A′C+AC′D+A′C′D]′is _____1
Answer» The number of minterms after minimizing the following Boolean expression $[D^{'} + A B^{'} + A^{'} C + A C^{'} D + A^{'} C^{'} D]^{'}$ is _____ 1

Discussion

9779.	Question 46 In the following question, fill in the blanks with correct symbol >, < or =. If pq is a rational number, then q cannot be ___
Answer» Question 46 In the following question, fill in the blanks with correct symbol >, < or =. If $\frac{p}{q}$ is a rational number, then q cannot be ___

9779.

Question 46 In the following question, fill in the blanks with correct symbol >, < or =. If pq is a rational number, then q cannot be ___

Answer»

Question 46

In the following question, fill in the blanks with correct symbol >, < or =.

If $\frac{p}{q}$ is a rational number, then q cannot be ___

Discussion

9780.	A bag contains sugar that weighs 679 kg and rice that weighs 756. Find the total weight of the bag.
Answer» A bag contains sugar that weighs $6 \frac{7}{9} kg$ and rice that weighs $7 \frac{5}{6}$ . Find the total weight of the bag.

Discussion

9781.	Cows in a herd graze in the sun. To protect themselves from the sun, they apply sunscreen. 2 mL of sunscreen protects an area of 50 cm2 of skin. If Daisy the cow, has to protect an area of 4000 cm2 of her skin with sunscreen then amount of sunscreen she would need is
Answer» Cows in a herd graze in the sun. To protect themselves from the sun, they apply sunscreen. 2 mL of sunscreen protects an area of $50 {cm}^{2}$ of skin. If Daisy the cow, has to protect an area of $4000 {cm}^{2}$ of her skin with sunscreen then amount of sunscreen she would need is

Discussion

9782.	The value of x which satisfies the equation ax+b=0,a≠0 is known as _____.
Answer» The value of x which satisfies the equation $a x + b = 0, a \neq 0$ is known as _____.

Discussion

9783.	Find total percentage by which 4/5 of 70 less than 5/7 of 112
Answer» Find total percentage by which 4/5 of 70 less than 5/7 of 112

Discussion

9784.	If BE \|\| AC and CF \|\| AB meet PQ at E and F, respectively. The base and altitude of ΔABC are 6 cm and 8 cm, respectively. Then, find the area of ΔACF.
Answer» If BE \|\| AC and CF \|\| AB meet PQ at E and F, respectively. The base and altitude of ΔABC are 6 cm and 8 cm, respectively. Then, find the area of ΔACF.

Discussion

9785.	Which of the following equal(s) ∠AOB?
Answer» Which of the following equal(s) $∠ A O B$ ?

Discussion

9786.	Somappa and Hanumappa started a partnership business investing Rs 24,000 and Rs 32,000 respectively. Find the ratio of their investments.
Answer» Somappa and Hanumappa started a partnership business investing Rs 24,000 and Rs 32,000 respectively. Find the ratio of their investments.

9786.

Somappa and Hanumappa started a partnership business investing Rs 24,000 and Rs 32,000 respectively. Find the ratio of their investments.

Answer»

Somappa and Hanumappa started a partnership business investing Rs 24,000 and Rs 32,000 respectively. Find the ratio of their investments.

Discussion

9787.	In the canter of a rectangular lawn of dimension 50×40m, a rectangle pond has to be constructed so that the area of grass surrounding the pond would be 1184 sq. m. Find the length and breadth of the pond.
Answer» In the canter of a rectangular lawn of dimension 50×40m, a rectangle pond has to be constructed so that the area of grass surrounding the pond would be 1184 sq. m. Find the length and breadth of the pond.

Discussion

9788.	Question 2 (ix) Add: ab - 4a, 4b - ab, 4a - 4b
Answer» Question 2 (ix) Add: ab - 4a, 4b - ab, 4a - 4b

9788.

Question 2 (ix) Add: ab - 4a, 4b - ab, 4a - 4b

Answer»

Question 2 (ix)

Add:

ab - 4a, 4b - ab, 4a - 4b

Discussion

9789.	Question 4(a) Construct 3 equations starting with x=2
Answer» Question 4(a) Construct 3 equations starting with x=2

Discussion

9790.	Question 2(ii)(ii) A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was found to be 55 minus the number of toys produced in a day. On a particular day, the total cost of production was ₹ 750. Find out the number of toys produced on that day.
Answer» Question 2(ii) (ii) A cottage industry produces a certain number of toys in a day. The cost of production of each toy (in rupees) was found to be 55 minus the number of toys produced in a day. On a particular day, the total cost of production was ₹ 750. Find out the number of toys produced on that day.

Discussion

9791.	Which is the correct shape of the net of the cube?
Answer» Which is the correct shape of the net of the cube?

Discussion

9792.	Write a rational number equal to 47 with 63 as the denominator.
Answer» Write a rational number equal to $\frac{4}{7}$ with 63 as the denominator.

Discussion

9793.	(121−45)+5 equals
Answer» $(121 - 45) + 5$ equals

Discussion

9794.	For a measurement of length,the values are represented as l(1)= 5.01cm, l(2)= 5.02cm, l(3)= 5.00cm, l(4)=4.98cm, l(5)= 4.99cm, then l is given by
Answer» For a measurement of length,the values are represented as l(1)= 5.01cm, l(2)= 5.02cm, l(3)= 5.00cm, l(4)=4.98cm, l(5)= 4.99cm, then l is given by

Discussion

9795.	Find the third proportional to 36,18
Answer» Find the third proportional to $36, 18$

Discussion

9796.	Question 83 (b) A wire is (7x - 3) metres long. A length of (3x - 4) metres is cut for use. Now, answer the following questions If the left out wire is used for making an equilateral triangle. What is the length of each side of the triangle so formed?
Answer» Question 83 (b) A wire is (7x - 3) metres long. A length of (3x - 4) metres is cut for use. Now, answer the following questions If the left out wire is used for making an equilateral triangle. What is the length of each side of the triangle so formed?

9796.

Question 83 (b) A wire is (7x - 3) metres long. A length of (3x - 4) metres is cut for use. Now, answer the following questions If the left out wire is used for making an equilateral triangle. What is the length of each side of the triangle so formed?

Answer»

Question 83 (b)

A wire is (7x - 3) metres long. A length of (3x - 4) metres is cut for use. Now, answer the following questions

If the left out wire is used for making an equilateral triangle. What is the length of each side of the triangle so formed?

Discussion

9797.	Find the area of the following figure:
Answer» Find the area of the following figure:

Discussion

9798.	In the figure, find the values of x and y hence show that AB∥CD. [3 MARKS]
Answer» In the figure, find the values of x and y hence show that $A B ∥ C D$ . [3 MARKS]

Discussion

9799.	Two complemntary angles are in the ratio 2 : 3. The measure of the larger angle is(a) 60°(b) 54°(c) 66°(d) 48°
Answer» Two complemntary angles are in the ratio 2 : 3. The measure of the larger angle is (a) 60° (b) 54° (c) 66° (d) 48°

Discussion

9800.	झाँसी की रानी के जीवन की कहानी अपने शब्दों में लिखो और यह भी बताओ कि उनका बचपन तुम्हारे बचपन से कैसे अलग था?
Answer» झाँसी की रानी के जीवन की कहानी अपने शब्दों में लिखो और यह भी बताओ कि उनका बचपन तुम्हारे बचपन से कैसे अलग था?

Discussion

Explore topic-wise InterviewSolutions in .

Nandini borrowed ₹550 from her friend at 8% per annum. She returned the amount after 6 months. How much did she pay?

If P(¯¯¯¯E)=973, then find the value of 2×P(E).

A train 50m long passes over a bridge at a speed of 30kh/h. If it takes 36s to cross the bridge, the length of the bridge will be

Two lines intersect at a point and a ray is drawn from the point of intersection. The ray divides the angle between the lines into 1:2 ratio. One of the angles is given, find the value of 'x'.

Write which is a set and which is not a set in the groups given below. All negative whole numbers

Find the mean salary of 60 workers of a factory from the following table: Salary (in ₹)Number of workers30001640001250001060008700068000490003100001Total60

A football team won 10 matches out of the total number of matches they played. If their win percentage was 40, then how many matches did they play in all?

-x + (x+1) + (x+2) - (x+3) = ____

Suhas surveyed the opinions of 50 students from his class on the impact of social media in their lives. How many students in the class responded in a positive way?

18:15 and are equavalent ratios.

If the cost of 525 litres of milk is ₹10114, then the cost per litre is .

The employees of an office belonging to different gender given below: GenderNumber of employeesMale288Female252transgender72 Find the ratio of the number of male employees to the number of transgender employees.

What is the average speed of a train that travels from one station to another station at a uniform speed of 40kmph and returns to the initial station at 60kmph.

ntsolve:-n nt(2+i)x square + (i-5)x - 2(i-1)=0n ntn

Simplification of (p+a)5=3p yields

The picnic spot is 55 km away from a school. The first stop is taken at 22 km from the school. What percentage of the distance is remaining to reach the destination?

Sum of all the exterior angles of a triangle is equal to degrees.

I buy a T.V. for Rs 10,000 and sell it at a profit of 20%. How much money do I get for it?

Write the given value in the form of decimals: Four tens five hundredths and seven-thousandths

A man packs 260 bundles in 5 days. How many bundles can he pack in 7 days?

The value of p+q+r=50. If p=12 and q=8 then find the value of r.

25a5b5c3 ÷ 5a4b4c2 =

In the given figure, write the following:(i) Write the point identified by the coordinates (-3, -5).(ii) Write the point identified by the coordinates (2, -4).

if the lines 4x +3y =1, y=x+5 and 5y +bx =3 are concurrent, then the value of b

Question 4In the given figure, if x+y=w+z, then prove that AOB is a line.

Observe the figure and fill in the blanks:(a) ‘O’ = ……….(b) OA = ……….(c) BOC = ……..(d) DE = ……….

The number 4000 is first increased by 25% and then decreased by 30%. Find the resulting increase or decrease %.

The number of minterms after minimizing the following Boolean expression [D′+AB′+A′C+AC′D+A′C′D]′is _____1

Question 46 In the following question, fill in the blanks with correct symbol &gt;, &lt; or =. If pq is a rational number, then q cannot be ___

A bag contains sugar that weighs 679 kg and rice that weighs 756. Find the total weight of the bag.

Cows in a herd graze in the sun. To protect themselves from the sun, they apply sunscreen. 2 mL of sunscreen protects an area of 50 cm2 of skin. If Daisy the cow, has to protect an area of 4000 cm2 of her skin with sunscreen then amount of sunscreen she would need is

The value of x which satisfies the equation ax+b=0,a≠0 is known as _____.

Find total percentage by which 4/5 of 70 less than 5/7 of 112

If BE || AC and CF || AB meet PQ at E and F, respectively. The base and altitude of ΔABC are 6 cm and 8 cm, respectively. Then, find the area of ΔACF.

Which of the following equal(s) ∠AOB?

Somappa and Hanumappa started a partnership business investing Rs 24,000 and Rs 32,000 respectively. Find the ratio of their investments.

In the canter of a rectangular lawn of dimension 50×40m, a rectangle pond has to be constructed so that the area of grass surrounding the pond would be 1184 sq. m. Find the length and breadth of the pond.

Question 2 (ix) Add: ab - 4a, 4b - ab, 4a - 4b

Question 4(a) Construct 3 equations starting with x=2

Which is the correct shape of the net of the cube?

Write a rational number equal to 47 with 63 as the denominator.

(121−45)+5 equals

For a measurement of length,the values are represented as l(1)= 5.01cm, l(2)= 5.02cm, l(3)= 5.00cm, l(4)=4.98cm, l(5)= 4.99cm, then l is given by

Find the third proportional to 36,18

Question 83 (b) A wire is (7x - 3) metres long. A length of (3x - 4) metres is cut for use. Now, answer the following questions If the left out wire is used for making an equilateral triangle. What is the length of each side of the triangle so formed?

Find the area of the following figure:

In the figure, find the values of x and y hence show that AB∥CD. [3 MARKS]​

Two complemntary angles are in the ratio 2 : 3. The measure of the larger angle is(a) 60°(b) 54°(c) 66°(d) 48°

झाँसी की रानी के जीवन की कहानी अपने शब्दों में लिखो और यह भी बताओ कि उनका बचपन तुम्हारे बचपन से कैसे अलग था?

Question 46 In the following question, fill in the blanks with correct symbol >, < or =. If pq is a rational number, then q cannot be ___

In the figure, find the values of x and y hence show that AB∥CD. [3 MARKS]