25365 + Interview Questions in Mathematics

1.	The graph of a linear equation in 2 variables is a ____
Answer» The graph of a linear equation in 2 variables is a ____

Discussion

2.	Question 120 Simplify: 125×x−35−3×25×x−6
Answer» Question 120 Simplify: $\frac{125 \times x^{- 3}}{5^{- 3} \times 25 \times x^{- 6}}$

2.

Question 120 Simplify: 125×x−35−3×25×x−6

Answer»

Question 120

Simplify:

$\frac{125 \times x^{- 3}}{5^{- 3} \times 25 \times x^{- 6}}$

Discussion

3.	The coordinate axis divides the plane into 4 parts. Each part is known as a __.
Answer» The coordinate axis divides the plane into 4 parts. Each part is known as a __.

Discussion

4.	The distance between two stations is 425 km. Two trains start simultancously from these station on parallel tracks to cross each other. The speed of one of them is greater than that of the other by 5 km/hr. If the distance between the two trains after 3 hours of their start is 20 km , find the speed of each train.
Answer» The distance between two stations is 425 km. Two trains start simultancously from these station on parallel tracks to cross each other. The speed of one of them is greater than that of the other by 5 km/hr. If the distance between the two trains after 3 hours of their start is 20 km , find the speed of each train.

Discussion

5.	x^2-2ax+a^2-b^2
Answer» x^2-2ax+a^2-b^2

Discussion

6.	What is the value of x in the equation 2x+4=10?
Answer» What is the value of x in the equation $2 x + 4 = 10$ ?

Discussion

7.	30% passengers got down from a train at station X . 70% of the remaining got down at station Y. If there are still 1050 passengers in the train how many passengers were there before station X. ( note no one boarded the train in station X and Y)
Answer» 30% passengers got down from a train at station X . 70% of the remaining got down at station Y. If there are still 1050 passengers in the train how many passengers were there before station X. ( note no one boarded the train in station X and Y)

Discussion

8.	Write the number for the given expanded form 210^6 + 310^4 + 510^2 + 810^0
Answer» Write the number for the given expanded form 210^6 + 310^4 + 510^2 + 810^0

Discussion

9.	Question 27 Fill in the blanks to make the statement true. The given net can be folded to make a ___ .
Answer» Question 27 Fill in the blanks to make the statement true. The given net can be folded to make a ___ .

Discussion

10.	Factorise the expression 6xy-4y+6-9x
Answer» Factorise the expression 6xy-4y+6-9x

10.

Factorise the expression 6xy-4y+6-9x

Answer»

Factorise the expression

6xy-4y+6-9x

Discussion

11.	Study the following graph carefully and answer the questions that follow Q48. The total medals won by India and Russia together is less than the medals won by Australia and Canada together by approximately what percentage?
Answer» Study the following graph carefully and answer the questions that follow Q48. The total medals won by India and Russia together is less than the medals won by Australia and Canada together by approximately what percentage?

11.

Study the following graph carefully and answer the questions that follow Q48. The total medals won by India and Russia together is less than the medals won by Australia and Canada together by approximately what percentage?

Answer»

Study the following graph carefully and answer the questions that follow

Q48. The total medals won by India and Russia together is less than the medals won by Australia and Canada together by approximately what percentage?

Discussion

12.	Jaya has a certain number of word problems with her. She can solve some fixed number of problems every hour. After solving for 6 hours, she is left with 384 problems. If she solves for 12 hours, she will be left with 144 problems. Find the total number of word problems Jaya has to solve.
Answer» Jaya has a certain number of word problems with her. She can solve some fixed number of problems every hour. After solving for 6 hours, she is left with 384 problems. If she solves for 12 hours, she will be left with 144 problems. Find the total number of word problems Jaya has to solve.

Discussion

13.	Which of the following have rotational symmetry at its centre?
Answer» Which of the following have rotational symmetry at its centre?

Discussion

14.	What comes between 25/4 and 22/3
Answer» What comes between 25/4 and 22/3

Discussion

15.	By selling 20 books,a woman gains an amount equal to the selling price of 2 books. Find her profit percent.
Answer» By selling 20 books,a woman gains an amount equal to the selling price of 2 books. Find her profit percent.

Discussion

16.	Kumar purchased an item for Rs.46,000 and sold it at a loss of 12 per cent. With that amount, she purchased another item and sold it at a gain of 12 per cent. What was her overall gain/loss?
Answer» Kumar purchased an item for Rs.46,000 and sold it at a loss of 12 per cent. With that amount, she purchased another item and sold it at a gain of 12 per cent. What was her overall gain/loss?

Discussion

17.	2.7 is what % of 18
Answer» 2.7 is what % of 18

Discussion

18.	Find the smallest number by which 21675 should be divided to make it a perfect square .
Answer» Find the smallest number by which 21675 should be divided to make it a perfect square .

Discussion

19.	Sets A, B, C and D are all subsets of quadrilaterals. A is the set of rhombi, B is the set of rectangles, C is the set of parallelograms, and D is the set of kites. What is the set (A∩ B) U (C ∩D)?
Answer» Sets A, B, C and D are all subsets of quadrilaterals. A is the set of rhombi, B is the set of rectangles, C is the set of parallelograms, and D is the set of kites. What is the set (A∩ B) U (C ∩D)?

Discussion

20.	What is the equivalent rational number for −1536 with numerator -75 ?
Answer» What is the equivalent rational number for $\frac{- 15}{36}$ with numerator -75 ?

Discussion

21.	Calculate compound interest on RS 1000 over a period of 1 year at 10% per annum,if interest is compounded quarterly
Answer» Calculate compound interest on RS 1000 over a period of 1 year at 10% per annum,if interest is compounded quarterly

Discussion

22.	Select the appropriate verb for the blank. You need to _________ your day meticulously.
Answer» Select the appropriate verb for the blank. You need to _________ your day meticulously.

22.

Select the appropriate verb for the blank. You need to _________ your day meticulously.

Answer»

Select the appropriate verb for the blank.

You need to _________ your day meticulously.

Discussion

23.	If the number 6a34b4 is divisible by 3. How many values of a + b are possible?
Answer» If the number 6a34b4 is divisible by 3. How many values of a + b are possible?

Discussion

24.	Which of the following are perfect squares?
Answer» Which of the following are perfect squares?

Discussion

25.	The figure below shows a histogram of heights of cherry trees. Find the correct statement(s) among the options.
Answer» The figure below shows a histogram of heights of cherry trees. Find the correct statement(s) among the options.

Discussion

26.	Find the value of x:
Answer» Find the value of x:

26.

Find the value of x:

Answer»

Find the value of x:

Discussion

27.	Question 77 Find the area of the following field. All dimensions are in metres.
Answer» Question 77 Find the area of the following field. All dimensions are in metres.

27.

Question 77 Find the area of the following field. All dimensions are in metres.

Answer»

Question 77

Find the area of the following field. All dimensions are in metres.

Discussion

28.	Identify the monomial among the following.
Answer» Identify the monomial among the following.

Discussion

29.	Construct a quadrilateral ABCD in which: ∠A=120∘,∠B=60∘,∠AB=4 cm,BC=4.5 cm and CD=5 cm.
Answer» Construct a quadrilateral ABCD in which: $∠ A = 120^{\circ}, ∠ B = 60^{\circ}, ∠ AB = 4 c m, B C = 4.5 c m and C D = 5 c m .$

Discussion

30.	Simplify: (b + 3)(b + 3)
Answer» Simplify: (b + 3)(b + 3)

Discussion

31.	Question 1(ii) Find the common factors of the given terms. 2y,22xy
Answer» Question 1(ii) Find the common factors of the given terms. $2 y, 22 x y$

Discussion

32.	Find the value of z, if 3(5z−7)−2(9z−11)=4(8z−13)−17.
Answer» Find the value of z, if $3 (5 z - 7) - 2 (9 z - 11) = 4 (8 z - 13) - 17$ .

Discussion

33.	Formula to find the volume of cylinder is:
Answer» Formula to find the volume of cylinder is:

33.

Formula to find the volume of cylinder is:

Answer»

Formula to find the volume of cylinder is:

Discussion

34.	Explain Pythagoras's theoram?undefinedundefinedundefinedundefined
Answer» Explain Pythagoras's theoram? undefined undefined undefined undefined

Discussion

35.	Find the product of (x+7y)(7x−y).
Answer» Find the product of $(x + 7 y) (7 x - y)$ .

Discussion

36.	Question 124 A hall has a capacity of 2704 seats. If the number of rows is equal to the number of seats in each row, then find the number of seats in each row.
Answer» Question 124 A hall has a capacity of 2704 seats. If the number of rows is equal to the number of seats in each row, then find the number of seats in each row.

36.

Question 124 A hall has a capacity of 2704 seats. If the number of rows is equal to the number of seats in each row, then find the number of seats in each row.

Answer»

Question 124

A hall has a capacity of 2704 seats. If the number of rows is equal to the number of seats in each row, then find the number of seats in each row.

Discussion

37.	If 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it?
Answer» If 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it?

Discussion

38.	A sum of money is lent at 8% per annum compound interest. If the interest for the second year exceeds that for the first year by Rs. 96, find the sum of money.
Answer» A sum of money is lent at 8% per annum compound interest. If the interest for the second year exceeds that for the first year by Rs. 96, find the sum of money.

Discussion

39.	In the figure below, lines AB and CD intersect at O. If ∠AOC + ∠BOE = 70∘ and ∠BOD = 40∘, find (2 ∠BOE).
Answer» In the figure below, lines AB and CD intersect at O. If $∠$ AOC + $∠$ BOE = $70^{\circ}$ and $∠$ BOD = $40^{\circ}$ , find (2 $∠$ BOE).

39.

In the figure below, lines AB and CD intersect at O. If ∠AOC + ∠BOE = 70∘ and ∠BOD = 40∘, find (2 ∠BOE).

Answer»

In the figure below, lines AB and CD intersect at O. If $∠$ AOC + $∠$ BOE = $70^{\circ}$ and $∠$ BOD = $40^{\circ}$ , find (2 $∠$ BOE).

Discussion

40.	Ramesh invests Rs. 12,800 for 3 years at the rate of 10% per annum compound interest. Find
Answer» Ramesh invests Rs. 12,800 for 3 years at the rate of 10% per annum compound interest. Find

Discussion

41.	Rahul marked five points on a sheet of paper. What is the maximum number of points that can be collinear, if he wants to make a triangle by joining those points?
Answer» Rahul marked five points on a sheet of paper. What is the maximum number of points that can be collinear, if he wants to make a triangle by joining those points?

Discussion

42.	Evaluate: 1253√a6−3√125a6
Answer» Evaluate: $125 \sqrt[3]{a^{6}} - \sqrt[3]{125 a^{6}}$

Discussion

43.	Question 1 (iii) Find the square roots of each of the following numbers by Division method: 3481
Answer» Question 1 (iii) Find the square roots of each of the following numbers by Division method: 3481

43.

Question 1 (iii) Find the square roots of each of the following numbers by Division method: 3481

Answer»

Question 1 (iii)
Find the square roots of each of the following numbers by Division method:

3481

Discussion

44.	Question 1 (iv) Find the squares of the following numbers: 93
Answer» Question 1 (iv) Find the squares of the following numbers: 93

44.

Question 1 (iv) Find the squares of the following numbers: 93

Answer»

Question 1 (iv)
Find the squares of the following numbers:

93

Discussion

45.	A cylindrical container with diameter of base 56 cm contains sufficient water to submerge a rectangular solid of iron with dimensions 32cm×22cm×14cm. Find the rise in the level of the water when the solid is completely submerged.
Answer» A cylindrical container with diameter of base 56 cm contains sufficient water to submerge a rectangular solid of iron with dimensions $32 c m \times 22 c m \times 14 c m .$ Find the rise in the level of the water when the solid is completely submerged.

Discussion

46.	A watch worth Rs.5400 is offered for sale at Rs.4500. What per cent discount is offered during the sale?
Answer» A watch worth Rs.5400 is offered for sale at Rs.4500. What per cent discount is offered during the sale?

Discussion

47.	Find the values of x and y if a and b are in inverse proportiona12x8b305y
Answer» Find the values of x and y if a and b are in inverse proportion $\begin{matrix} a & 12 & x & 8 b & 30 & 5 & y \end{matrix}$

47.

Find the values of x and y if a and b are in inverse proportiona12x8b305y

Answer»

Find the values of x and y if a and b are in inverse proportion

$\begin{matrix} a & 12 & x & 8 b & 30 & 5 & y \end{matrix}$

Discussion

48.	Which of the following is an irreducible form of 1122?
Answer» Which of the following is an irreducible form of 1122?

Discussion

49.	From graph, were the runs scored by the 2 batsmen same in any match in 2007? If so, in which match? Among the two batsmen, who is steadier? How do you judge it?
Answer» From graph, were the runs scored by the 2 batsmen same in any match in 2007? If so, in which match? Among the two batsmen, who is steadier? How do you judge it?

49.

From graph, were the runs scored by the 2 batsmen same in any match in 2007? If so, in which match? Among the two batsmen, who is steadier? How do you judge it?

Answer»

From graph, were the runs scored by the 2 batsmen same in any match in 2007? If so, in which match? Among the two batsmen, who is steadier? How do you judge it?

Discussion

50.	Factorise : (x+y)(2x+5)−(x+y)(x+3)
Answer» Factorise : $(x + y) (2 x + 5) - (x + y) (x + 3)$

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

The graph of a linear equation in 2 variables is a ____

Question 120 Simplify: 125×x−35−3×25×x−6

The coordinate axis divides the plane into 4 parts. Each part is known as a __.

x^2-2ax+a^2-b^2

What is the value of x in the equation 2x+4=10?

30% passengers got down from a train at station X . 70% of the remaining got down at station Y. If there are still 1050 passengers in the train how many passengers were there before station X. ( note no one boarded the train in station X and Y)

Write the number for the given expanded form 2*10^6 + 3*10^4 + 5*10^2 + 8*10^0

Question 27 Fill in the blanks to make the statement true. The given net can be folded to make a ___ .

Factorise the expression 6xy-4y+6-9x

Study the following graph carefully and answer the questions that follow Q48. The total medals won by India and Russia together is less than the medals won by Australia and Canada together by approximately what percentage?

Jaya has a certain number of word problems with her. She can solve some fixed number of problems every hour. After solving for 6 hours, she is left with 384 problems. If she solves for 12 hours, she will be left with 144 problems. Find the total number of word problems Jaya has to solve.

Which of the following have rotational symmetry at its centre?

What comes between 25/4 and 22/3

By selling 20 books,a woman gains an amount equal to the selling price of 2 books. Find her profit percent.

Kumar purchased an item for Rs.46,000 and sold it at a loss of 12 per cent. With that amount, she purchased another item and sold it at a gain of 12 per cent. What was her overall gain/loss?

2.7 is what % of 18

Find the smallest number by which 21675 should be divided to make it a perfect square .

Sets A, B, C and D are all subsets of quadrilaterals. A is the set of rhombi, B is the set of rectangles, C is the set of parallelograms, and D is the set of kites. What is the set (A∩ B) U (C ∩D)?

What is the equivalent rational number for −1536 with numerator -75 ?

Calculate compound interest on RS 1000 over a period of 1 year at 10% per annum,if interest is compounded quarterly

Select the appropriate verb for the blank. You need to _________ your day meticulously.

If the number 6a34b4 is divisible by 3. How many values of a + b are possible?

Which of the following are perfect squares?

The figure below shows a histogram of heights of cherry trees. Find the correct statement(s) among the options.

Find the value of x:

Question 77 Find the area of the following field. All dimensions are in metres.

Identify the monomial among the following.

Construct a quadrilateral ABCD in which: ∠A=120∘,∠B=60∘,∠AB=4 cm,BC=4.5 cm and CD=5 cm.

Simplify: (b + 3)(b + 3)

Question 1(ii) Find the common factors of the given terms. 2y,22xy

Find the value of z, if 3(5z−7)−2(9z−11)=4(8z−13)−17.

Formula to find the volume of cylinder is:

Explain Pythagoras's theoram?undefinedundefinedundefinedundefined

Find the product of (x+7y)(7x−y).

Question 124 A hall has a capacity of 2704 seats. If the number of rows is equal to the number of seats in each row, then find the number of seats in each row.

If 12 men and 16 boys can do a piece of work in 5 days and 13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it?

A sum of money is lent at 8% per annum compound interest. If the interest for the second year exceeds that for the first year by Rs. 96, find the sum of money.

In the figure below, lines AB and CD intersect at O. If ∠AOC + ∠BOE = 70∘ and ∠BOD = 40∘, find (2 ∠BOE).

Ramesh invests Rs. 12,800 for 3 years at the rate of 10% per annum compound interest. Find

Rahul marked five points on a sheet of paper. What is the maximum number of points that can be collinear, if he wants to make a triangle by joining those points?

Evaluate: 1253√a6−3√125a6

Question 1 (iii) Find the square roots of each of the following numbers by Division method: 3481

Question 1 (iv) Find the squares of the following numbers: 93

A cylindrical container with diameter of base 56 cm contains sufficient water to submerge a rectangular solid of iron with dimensions 32cm×22cm×14cm. Find the rise in the level of the water when the solid is completely submerged.

A watch worth Rs.5400 is offered for sale at Rs.4500. What per cent discount is offered during the sale?

Find the values of x and y if a and b are in inverse proportiona12x8b305y

Which of the following is an irreducible form of 1122?

From graph, were the runs scored by the 2 batsmen same in any match in 2007? If so, in which match? Among the two batsmen, who is steadier? How do you judge it?

Factorise : (x+y)(2x+5)−(x+y)(x+3)

Write the number for the given expanded form 210^6 + 310^4 + 510^2 + 810^0