25365 + Interview Questions in Mathematics

1.	What are the irreducible factors of 6x (x + 3) ?
Answer» What are the irreducible factors of 6x (x + 3) ?

Discussion

2.	Following pictograph shows the number of apples consumed in a family. How many more apples were consumed in the month of March than in April?
Answer» Following pictograph shows the number of apples consumed in a family. How many more apples were consumed in the month of March than in April?

2.

Following pictograph shows the number of apples consumed in a family. How many more apples were consumed in the month of March than in April?

Answer»

Following pictograph shows the number of apples consumed in a family.

How many more apples were consumed in the month of March than in April?

Discussion

3.	Find the value of X if 0.3x+0.5=0.4x-0.2.
Answer» Find the value of X if 0.3x+0.5=0.4x-0.2.

Discussion

4.	Question 5 If the height of a cylinder becomes 14 of the original height and the radius is doubled, then which of the following will be true ? (a) Volume of the cylinder will be doubled (b) Volume of the cylinder will remain unchanged (c) Volume of the cylinder will be halved (d) Volume of the cylinder will be 14 of the original volume
Answer» Question 5 If the height of a cylinder becomes $\frac{1}{4}$ of the original height and the radius is doubled, then which of the following will be true ? (a) Volume of the cylinder will be doubled (b) Volume of the cylinder will remain unchanged (c) Volume of the cylinder will be halved (d) Volume of the cylinder will be $\frac{1}{4}$ of the original volume

4.

Question 5 If the height of a cylinder becomes 14 of the original height and the radius is doubled, then which of the following will be true ? (a) Volume of the cylinder will be doubled (b) Volume of the cylinder will remain unchanged (c) Volume of the cylinder will be halved (d) Volume of the cylinder will be 14 of the original volume

Answer»

Question 5

If the height of a cylinder becomes $\frac{1}{4}$ of the original height and the radius is doubled, then which of the following will be true ?
(a) Volume of the cylinder will be doubled
(b) Volume of the cylinder will remain unchanged
(c) Volume of the cylinder will be halved
(d) Volume of the cylinder will be $\frac{1}{4}$ of the original volume

Discussion

5.	Which of the following picture is the correct for the given net?
Answer» Which of the following picture is the correct for the given net?

Discussion

6.	The difference between compound interest and simple interest on an amount of ₹15,000 for 2 years is ₹96. What is the rate of interest per annum?
Answer» The difference between compound interest and simple interest on an amount of ₹15,000 for 2 years is ₹96. What is the rate of interest per annum?

Discussion

7.	The points (-2,0), (3,0) and (-6,0) lie ______.
Answer» The points (-2,0), (3,0) and (-6,0) lie ______.

Discussion

8.	The sum of two numbers is 35. Their difference is 13. Find the numbers. [2 MARKS]
Answer» The sum of two numbers is 35. Their difference is 13. Find the numbers. [2 MARKS]

Discussion

9.	The whole number whose square is nearer to the number 140 is:
Answer» The whole number whose square is nearer to the number 140 is:

9.

The whole number whose square is nearer to the number 140 is:

Answer»

The whole number whose square is nearer to the number 140 is:

Discussion

10.	What's the lateral surface area of the cube if the length of its side is 6 cm?
Answer» What's the lateral surface area of the cube if the length of its side is 6 cm?

Discussion

11.	Factorize: 0.64 m2−1.21 n2
Answer» Factorize: $0.64 m^{2} - 1.21 n^{2}$

11.

Factorize: 0.64 m2−1.21 n2

Answer»

Factorize:

$0.64 m^{2} - 1.21 n^{2}$

Discussion

12.	Relationship between metre cube and centimetre cube . Please explain me this concept clearly
Answer» Relationship between metre cube and centimetre cube . Please explain me this concept clearly

Discussion

13.	What is the smallest number with which 1188 should be divided to get a perfect cube?
Answer» What is the smallest number with which 1188 should be divided to get a perfect cube?

Discussion

14.	Question 92 (xxv) Factorise the following using the identity a2−b2=(a+b)(a−b). 16x4−625y4
Answer» Question 92 (xxv) Factorise the following using the identity $a^{2} - b^{2} = (a + b) (a - b) .$ $16 x^{4} - 625 y^{4}$

14.

Question 92 (xxv) Factorise the following using the identity a2−b2=(a+b)(a−b). 16x4−625y4

Answer»

Question 92 (xxv)

Factorise the following using the identity $a^{2} - b^{2} = (a + b) (a - b) .$

$16 x^{4} - 625 y^{4}$

Discussion

15.	What is the smallest number by which 1125 may be divided so that the quotient is a perfect cube?
Answer» What is the smallest number by which 1125 may be divided so that the quotient is a perfect cube?

Discussion

16.	Volume of a cube having side 92 cm=
Answer» Volume of a cube having side 92 cm=

Discussion

17.	Ram says that 22 bags of cement were required to cement a circular platform. If one bag of cement is required to cement an area of 7 m2, then find the area and the radius of the circular platform.
Answer» Ram says that 22 bags of cement were required to cement a circular platform. If one bag of cement is required to cement an area of 7 m², then find the area and the radius of the circular platform.

Discussion

18.	The quotient when 6ab−b2+12ac−2bc is divided by (6a−b) is ___
Answer» The quotient when $6 a b - b^{2} + 12 a c - 2 b c$ is divided by $(6 a - b)$ is ___

Discussion

19.	Simplify: (5 tan−2)−1
Answer» Simplify: $(5 t a n^{- 2})^{- 1}$

Discussion

20.	A small pizza has diameter of 20 cm and a large pizza has a diameter of 30 cm. George had 50% of the small pizza and Rajdeep had 25% of the large pizza. Who ate more pizza? (Assume that both pizzas have same thickness)
Answer» A small pizza has diameter of 20 cm and a large pizza has a diameter of 30 cm. George had 50% of the small pizza and Rajdeep had 25% of the large pizza. Who ate more pizza? (Assume that both pizzas have same thickness)

20.

A small pizza has diameter of 20 cm and a large pizza has a diameter of 30 cm. George had 50% of the small pizza and Rajdeep had 25% of the large pizza. Who ate more pizza? (Assume that both pizzas have same thickness)

Answer»

A small pizza has diameter of 20 cm and a large pizza has a diameter of 30 cm. George had 50% of the small pizza and Rajdeep had 25% of the large pizza. Who ate more pizza? (Assume that both pizzas have same thickness)

Discussion

21.	Diagram of the adjacent picture frame has outer dimensions = 24 cm × 28 cm and inner dimensions 16 cm × 20 cm. Find the area of Section BEFC of the frame, if the width of each section is same.
Answer» Diagram of the adjacent picture frame has outer dimensions = 24 cm $\times$ 28 cm and inner dimensions 16 cm $\times$ 20 cm. Find the area of Section BEFC of the frame, if the width of each section is same.

Discussion

22.	Two cubes have volumes in the ratio 1:64. The ratio of their sides is ____.
Answer» Two cubes have volumes in the ratio $1 : 64$ . The ratio of their sides is ____.

Discussion

23.	How it is decided to where we put decimal point when we are writing a bigger number in standard form using exponents.
Answer» How it is decided to where we put decimal point when we are writing a bigger number in standard form using exponents.

Discussion

24.	In the bar chart below, you have the sales of a bike by ABC company. What is the difference in sales in April and June?
Answer» In the bar chart below, you have the sales of a bike by ABC company. What is the difference in sales in April and June?

24.

In the bar chart below, you have the sales of a bike by ABC company. What is the difference in sales in April and June?

Answer»

In the bar chart below, you have the sales of a bike by ABC company. What is the difference in sales in April and June?

Discussion

25.	4 oxen or 12 cows can graze a field in 32 days. How long would 7 oxen and 3 cows take to graze the same field?
Answer» $4$ oxen or $12$ cows can graze a field in $32$ days. How long would $7$ oxen and $3$ cows take to graze the same field?

Discussion

26.	Expenses on realisation amount to Rs 4,000, which are paid by B. Write a Journal entry for this.
Answer» Expenses on realisation amount to Rs 4,000, which are paid by B. Write a Journal entry for this.

Discussion

27.	In an examination, first division mark is 60% of the total. Gaurav scored 468 and missed the first division by 12 marks. Find the total marks of the examination.
Answer» In an examination, first division mark is 60% of the total. Gaurav scored 468 and missed the first division by 12 marks. Find the total marks of the examination.

Discussion

28.	Find the compound interest paid when a sum of ₹64,000 is invested for one year and six months at 5% per annum compounded half yearly.
Answer» Find the compound interest paid when a sum of ₹64,000 is invested for one year and six months at 5% per annum compounded half yearly.

Discussion

29.	Two cubes of edge 14 cm each are joined end to end to form a cuboid. Find the volume of the cuboid.
Answer» Two cubes of edge 14 cm each are joined end to end to form a cuboid. Find the volume of the cuboid.

Discussion

30.	The upper limit of the class interval 88 - 98 is ______ .
Answer» The upper limit of the class interval 88 - 98 is ______ .

Discussion

31.	Out of 745 students, maximum are to be arranged in the school field for a P.T. display, such that the number of rows is equal to the number of columns. Find the number of rows if 16 students were left out after the arrangement.
Answer» Out of 745 students, maximum are to be arranged in the school field for a P.T. display, such that the number of rows is equal to the number of columns. Find the number of rows if 16 students were left out after the arrangement.

Discussion

32.	In figure, the pie - chart shows the marks obtained by a student in an examination. If the student secures 440 marks in aall, calculate his marks in each of the given subjects.
Answer» In figure, the pie - chart shows the marks obtained by a student in an examination. If the student secures 440 marks in aall, calculate his marks in each of the given subjects.

32.

In figure, the pie - chart shows the marks obtained by a student in an examination. If the student secures 440 marks in aall, calculate his marks in each of the given subjects.

Answer»

In figure, the pie - chart shows the marks obtained by a student in an examination. If the student secures 440 marks in aall, calculate his marks in each of the given subjects.

Discussion

33.	Question 49 Study the given graphs (a) and (b) and complete the corresponding tables below.
Answer» Question 49 Study the given graphs (a) and (b) and complete the corresponding tables below.

Discussion

34.	Question 51(i) The graph shows the maximum temperatures recorded for two consecutive weeks of a town. Study the graph and answer the questions that follow. What information is given by the two axes?
Answer» Question 51(i) The graph shows the maximum temperatures recorded for two consecutive weeks of a town. Study the graph and answer the questions that follow. What information is given by the two axes?

Discussion

35.	What should be subtracted from −18 to get 34 ?
Answer» What should be subtracted from $\frac{- 1}{8}$ to get $\frac{3}{4}$ ?

Discussion

36.	Three cubes whose edges measure 3 cm, 4 cm and 5 cm respectively are melted to form a new cube. Find the surface area of the new cube formed.
Answer» Three cubes whose edges measure 3 cm, 4 cm and 5 cm respectively are melted to form a new cube. Find the surface area of the new cube formed.

Discussion

37.	The area of a square field is 60025 m2. A man cycles along its boundary at 18 km/h. In how much time will he return to the starting point?
Answer» The area of a square field is $60025 m^{2}$ . A man cycles along its boundary at $18 k m / h .$ In how much time will he return to the starting point?

Discussion

38.	In a school 3/7 of the students are girls. If there are 240 boys, find the numbers of girls in the school.
Answer» In a school 3/7 of the students are girls. If there are 240 boys, find the numbers of girls in the school.

Discussion

39.	Question 47 The two rational number lying between - 2 and - 5 with denominator as 1 are ___ and ___.
Answer» Question 47 The two rational number lying between - 2 and - 5 with denominator as 1 are ___ and ___.

Discussion

40.	Divide -90x2y3z4 by 15xyz:
Answer» Divide -90x²y³z⁴ by 15xyz:

Discussion

41.	What is the sum of all exterior angles of a triangle?
Answer» What is the sum of all exterior angles of a triangle?

Discussion

42.	A and B can do a piece of work in 40 days; B and C in 30 days; and C and A in 24 days. i) How long will it take them to do the work together? ii) In what time can each finish it working alone?
Answer» A and B can do a piece of work in 40 days; B and C in 30 days; and C and A in 24 days. i) How long will it take them to do the work together? ii) In what time can each finish it working alone?

42.

A and B can do a piece of work in 40 days; B and C in 30 days; and C and A in 24 days. i) How long will it take them to do the work together? ii) In what time can each finish it working alone?

Answer»

A and B can do a piece of work in 40 days; B and C in 30 days; and C and A in 24 days.

i) How long will it take them to do the work together?

ii) In what time can each finish it working alone?

Discussion

43.	Given below are two statements p : 25 is a multiple of 5; q: 25 is a multiple of 8 Write the compound statements connecting these two statements with "and" and "or". In both cases check the validity of the compound statement.
Answer» Given below are two statements p : 25 is a multiple of 5; q: 25 is a multiple of 8 Write the compound statements connecting these two statements with "and" and "or". In both cases check the validity of the compound statement.

43.

Given below are two statements p : 25 is a multiple of 5; q: 25 is a multiple of 8 Write the compound statements connecting these two statements with "and" and "or". In both cases check the validity of the compound statement.

Answer»

Given below are two statements

p : 25 is a multiple of 5; q: 25 is a multiple of 8 Write the compound statements connecting these two statements with "and" and "or". In both cases check the validity of the compound statement.

Discussion

44.	Construct a quadrilateral ABCD in which AB=4.1cm BC=3.6cm CD=6.1cm DA=5.1cm and angle ABC=120 degrees
Answer» Construct a quadrilateral ABCD in which AB=4.1cm BC=3.6cm CD=6.1cm DA=5.1cm and angle ABC=120 degrees

Discussion

45.	Question 1(iv) Carry out the following divisions 34x3y3z3÷51xy2z3
Answer» Question 1(iv) Carry out the following divisions $34 x^{3} y^{3} z^{3} \div 51 x y^{2} z^{3}$

Discussion

46.	Solve for z:
Answer» Solve for z:

46.

Solve for z:

Answer»

Solve for z:

Discussion

47.	Factorise : 12abc−6a2b2c2+3a3b3c3
Answer» Factorise : $12 a b c - 6 a^{2} b^{2} c^{2} + 3 a^{3} b^{3} c^{3}$

47.

Factorise : 12abc−6a2b2c2+3a3b3c3

Answer»

Factorise :

$12 a b c - 6 a^{2} b^{2} c^{2} + 3 a^{3} b^{3} c^{3}$

Discussion

48.	Niki invests Rs. 6,000 for 2 years at certain rate of interest compounded annually. At the end of 1st year it amounts to Rs. 6,720. Calculate the rate of interest & amount at the end of the 2nd year.
Answer» Niki invests Rs. 6,000 for 2 years at certain rate of interest compounded annually. At the end of 1st year it amounts to Rs. 6,720. Calculate the rate of interest & amount at the end of the 2nd year.

Discussion

49.	Is zero an integer?
Answer» Is zero an integer?

Discussion

50.	Two coins are toosed together. What is the probability of getting: (i) at least one head (ii) both heads or both tails
Answer» Two coins are toosed together. What is the probability of getting: (i) at least one head (ii) both heads or both tails

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

What are the irreducible factors of 6x (x + 3) ?

Following pictograph shows the number of apples consumed in a family. How many more apples were consumed in the month of March than in April?

Find the value of X if 0.3x+0.5=0.4x-0.2.

Which of the following picture is the correct for the given net?

The difference between compound interest and simple interest on an amount of ₹15,000 for 2 years is ₹96. What is the rate of interest per annum?

The points (-2,0), (3,0) and (-6,0) lie ______.

The sum of two numbers is 35. Their difference is 13. Find the numbers. [2 MARKS]

The whole number whose square is nearer to the number 140 is:

What's the lateral surface area of the cube if the length of its side is 6 cm?

Factorize: 0.64 m2−1.21 n2

Relationship between metre cube and centimetre cube . Please explain me this concept clearly

What is the smallest number with which 1188 should be divided to get a perfect cube?

Question 92 (xxv) Factorise the following using the identity a2−b2=(a+b)(a−b). 16x4−625y4

What is the smallest number by which 1125 may be divided so that the quotient is a perfect cube?

Volume of a cube having side 92 cm=

Ram says that 22 bags of cement were required to cement a circular platform. If one bag of cement is required to cement an area of 7 m2, then find the area and the radius of the circular platform.

The quotient when 6ab−b2+12ac−2bc is divided by (6a−b) is ___

Simplify: (5 tan−2)−1

A small pizza has diameter of 20 cm and a large pizza has a diameter of 30 cm. George had 50% of the small pizza and Rajdeep had 25% of the large pizza. Who ate more pizza? (Assume that both pizzas have same thickness)

Diagram of the adjacent picture frame has outer dimensions = 24 cm × 28 cm and inner dimensions 16 cm × 20 cm. Find the area of Section BEFC of the frame, if the width of each section is same.

Two cubes have volumes in the ratio 1:64. The ratio of their sides is ____.

How it is decided to where we put decimal point when we are writing a bigger number in standard form using exponents.

In the bar chart below, you have the sales of a bike by ABC company. What is the difference in sales in April and June?

4 oxen or 12 cows can graze a field in 32 days. How long would 7 oxen and 3 cows take to graze the same field?

Expenses on realisation amount to Rs 4,000, which are paid by B. Write a Journal entry for this.

In an examination, first division mark is 60% of the total. Gaurav scored 468 and missed the first division by 12 marks. Find the total marks of the examination.

Find the compound interest paid when a sum of ₹64,000 is invested for one year and six months at 5% per annum compounded half yearly.

Two cubes of edge 14 cm each are joined end to end to form a cuboid. Find the volume of the cuboid.

The upper limit of the class interval 88 - 98 is ______ .

Out of 745 students, maximum are to be arranged in the school field for a P.T. display, such that the number of rows is equal to the number of columns. Find the number of rows if 16 students were left out after the arrangement.

In figure, the pie - chart shows the marks obtained by a student in an examination. If the student secures 440 marks in aall, calculate his marks in each of the given subjects.

Question 49 Study the given graphs (a) and (b) and complete the corresponding tables below.

Question 51(i) The graph shows the maximum temperatures recorded for two consecutive weeks of a town. Study the graph and answer the questions that follow. What information is given by the two axes?

What should be subtracted from −18 to get 34 ?

Three cubes whose edges measure 3 cm, 4 cm and 5 cm respectively are melted to form a new cube. Find the surface area of the new cube formed.

The area of a square field is 60025 m2. A man cycles along its boundary at 18 km/h. In how much time will he return to the starting point?

In a school 3/7 of the students are girls. If there are 240 boys, find the numbers of girls in the school.

Question 47 The two rational number lying between - 2 and - 5 with denominator as 1 are ___ and ___.

Divide -90x2y3z4 by 15xyz:

What is the sum of all exterior angles of a triangle?

A and B can do a piece of work in 40 days; B and C in 30 days; and C and A in 24 days. i) How long will it take them to do the work together? ii) In what time can each finish it working alone?

Given below are two statements p : 25 is a multiple of 5; q: 25 is a multiple of 8 Write the compound statements connecting these two statements with "and" and "or". In both cases check the validity of the compound statement.

Construct a quadrilateral ABCD in which AB=4.1cm BC=3.6cm CD=6.1cm DA=5.1cm and angle ABC=120 degrees

Question 1(iv) Carry out the following divisions 34x3y3z3÷51xy2z3

Solve for z:

Factorise : 12abc−6a2b2c2+3a3b3c3

Niki invests Rs. 6,000 for 2 years at certain rate of interest compounded annually. At the end of 1st year it amounts to Rs. 6,720. Calculate the rate of interest &amp; amount at the end of the 2nd year.

Is zero an integer?

Two coins are toosed together. What is the probability of getting: (i) at least one head (ii) both heads or both tails

Question 47 The two rational number lying between - 2 and - 5 with denominator as 1 are _ and _.

Niki invests Rs. 6,000 for 2 years at certain rate of interest compounded annually. At the end of 1st year it amounts to Rs. 6,720. Calculate the rate of interest & amount at the end of the 2nd year.