25365 + Interview Questions in Mathematics

1.	Construct a square, if : (i) its one side is 3.8 cm (ii) its each side is 4.3 cm. (iii) one diagonal is 6.2 cm. (iv) each diagonal is 5.7 cm.
Answer» Construct a square, if : (i) its one side is 3.8 cm (ii) its each side is 4.3 cm. (iii) one diagonal is 6.2 cm. (iv) each diagonal is 5.7 cm.

1.

Construct a square, if : (i) its one side is 3.8 cm (ii) its each side is 4.3 cm. (iii) one diagonal is 6.2 cm. (iv) each diagonal is 5.7 cm.

Answer»

Construct a square, if :

(i) its one side is 3.8 cm

(ii) its each side is 4.3 cm.

(iii) one diagonal is 6.2 cm.

(iv) each diagonal is 5.7 cm.

Discussion

2.	Priya lost her homework paper on polynomials and she doesn't remember the divisor dividing the polynomial x3−3x2+x+2 gives quotient x−2 and remainder −2x+4. Find the divisor.
Answer» Priya lost her homework paper on polynomials and she doesn't remember the divisor dividing the polynomial $x^{3} - 3 x^{2} + x + 2$ gives quotient $x - 2$ and remainder $- 2 x + 4$ . Find the divisor.

Discussion

3.	Find the difference between compound interest and simple interest on an amount of ₹ 15,000 for 2 years at 8 % per annum
Answer» Find the difference between compound interest and simple interest on an amount of ₹ 15,000 for 2 years at 8 % per annum

Discussion

4.	By using the formula, find the amount and compound interest on: Rs 10000 for 2 years at 11% per annum compounded annually.
Answer» By using the formula, find the amount and compound interest on: Rs 10000 for 2 years at $11 %$ per annum compounded annually.

4.

By using the formula, find the amount and compound interest on: Rs 10000 for 2 years at 11% per annum compounded annually.

Answer»

By using the formula, find the amount and compound interest on:

Rs 10000 for 2 years at $11 %$ per annum compounded annually.

Discussion

5.	The mean of the following distribution is: xi10131619fi2576
Answer» The mean of the following distribution is: $\begin{matrix} x_{i} & 10 & 13 & 16 & 19 f_{i} & 2 & 5 & 7 & 6 \end{matrix}$

Discussion

6.	If x2+y2=14 and xy=3, find the value of 2(x+y)2−5(x−y)2.
Answer» If $x^{2} + y^{2} = 14$ and $x y = 3$ , find the value of $2 (x + y)^{2} - 5 (x - y)^{2}$ .

Discussion

7.	Question 40 (d) Fill in the blanks with <, > or = sign. 10000 __ 105
Answer» Question 40 (d) Fill in the blanks with <, > or = sign. 10000 __ $10^{5}$

7.

Question 40 (d) Fill in the blanks with <, > or = sign. 10000 __ 105

Answer»

Question 40 (d)

Fill in the blanks with <, > or = sign.
10000 __ $10^{5}$

Discussion

8.	Construct a quadrilatera ABCD, where AB=4.2 cm, BC=3.6 cm,CD=4.8 cm,∠B=30∘ and ∠C=150∘
Answer» Construct a quadrilatera ABCD, where AB=4.2 cm, BC=3.6 cm,CD=4.8 cm, $∠ B = 30^{\circ}$ and $∠ C = 150^{\circ}$

Discussion

9.	If x is a multiple of 3,then what is the next multiple of 3?
Answer» If x is a multiple of 3,then what is the next multiple of 3?

Discussion

10.	A cricketer hits 120 runs in 150 balls during a test match. 20% of the runs came in 6's, 30% in 4's, 25% in 2's and the rest in 1's. How many runs did he score in: (i)6's (ii)4's (iii)2's (iv)singles What % of his shots were scoring ones?
Answer» A cricketer hits 120 runs in 150 balls during a test match. 20% of the runs came in 6's, 30% in 4's, 25% in 2's and the rest in 1's. How many runs did he score in: (i)6's (ii)4's (iii)2's (iv)singles What % of his shots were scoring ones?

10.

A cricketer hits 120 runs in 150 balls during a test match. 20% of the runs came in 6's, 30% in 4's, 25% in 2's and the rest in 1's. How many runs did he score in: (i)6's (ii)4's (iii)2's (iv)singles What % of his shots were scoring ones?

Answer»

A cricketer hits 120 runs in 150 balls during a test match. 20% of the runs came in 6's, 30% in 4's, 25% in 2's and the rest in 1's. How many runs did he score in:

(i)6's

(ii)4's

(iii)2's

(iv)singles

What % of his shots were scoring ones?

Discussion

11.	Three angles of a quadrilateral are equal and the measure of the fourth angle is 120∘. Find the measure of each of the equal angles.
Answer» Three angles of a quadrilateral are equal and the measure of the fourth angle is $120^{\circ}$ . Find the measure of each of the equal angles.

Discussion

12.	Find the square root of 11 correct to five decimal places.
Answer» Find the square root of 11 correct to five decimal places.

Discussion

13.	What is a Cube?
Answer» What is a Cube?

Discussion

14.	The product of (8x-4y) and (2x-9y) is
Answer» The product of (8x-4y) and (2x-9y) is

Discussion

15.	Which of the following is the like term of 6m2n3 ?
Answer» Which of the following is the like term of $6$ $m^{2}$ $n^{3}$ ?

Discussion

16.	The following element is sufficient to construct a quadrilateral:
Answer» The following element is sufficient to construct a quadrilateral:

Discussion

17.	4x+3=2x-5
Answer» 4x+3=2x-5

Discussion

18.	Construct a rhombus whose side is of length 3.4cm and one of its angles is 45∘.
Answer» Construct a rhombus whose side is of length 3.4cm and one of its angles is $45^{\circ}$ .

Discussion

19.	Find the product : ( x + 1 ) ( x - 1) ( x^2 +1)
Answer» Find the product : ( x + 1 ) ( x - 1) ( x^2 +1)

Discussion

20.	The point of intersection of the three medians of a triangle is called
Answer» The point of intersection of the three medians of a triangle is called

Discussion

21.	Solve 196^2 by the formulae (a-b)^2=a^2-2ab+b^2
Answer» Solve 196^2 by the formulae (a-b)^2=a^2-2ab+b^2

Discussion

22.	Question 73 Fill in the blanks to make the statements true. If all sides of a quadrilateral are equal, it is a .
Answer» Question 73 Fill in the blanks to make the statements true. If all sides of a quadrilateral are equal, it is a .

Discussion

23.	Question 3(ii) Factorise the expressions 7p2+21q2
Answer» Question 3(ii) Factorise the expressions $7 p^{2} + 21 q^{2}$

Discussion

24.	Find the area of the trapezium PQRS.
Answer» Find the area of the trapezium PQRS.

Discussion

25.	Hanumappa and his wife Gangamma are busy making jaggery out of sugarcane juice. They have processed the sugarcane juice to make the molasses, which is poured into moulds in the shape of a frustum of a cone having the diameters of its two circular faces as 30 cm and 35 cm and the vertical height of the mould is 14 cm (see Fig.). If each cm3 of molasses has a mass of about 1.2 g, find the mass of the molasses that can be poured into each mould( in kg). (Take π = 227)
Answer» Hanumappa and his wife Gangamma are busy making jaggery out of sugarcane juice. They have processed the sugarcane juice to make the molasses, which is poured into moulds in the shape of a frustum of a cone having the diameters of its two circular faces as 30 cm and 35 cm and the vertical height of the mould is 14 cm (see Fig.). If each $c m^{3}$ of molasses has a mass of about 1.2 g, find the mass of the molasses that can be poured into each mould( in kg). (Take $π$ = $\frac{22}{7}$ )

25.

Hanumappa and his wife Gangamma are busy making jaggery out of sugarcane juice. They have processed the sugarcane juice to make the molasses, which is poured into moulds in the shape of a frustum of a cone having the diameters of its two circular faces as 30 cm and 35 cm and the vertical height of the mould is 14 cm (see Fig.). If each cm3 of molasses has a mass of about 1.2 g, find the mass of the molasses that can be poured into each mould( in kg). (Take π = 227)

Answer»

Hanumappa and his wife Gangamma are busy making jaggery out of sugarcane juice. They have processed the sugarcane juice to make the molasses, which is poured into moulds in the shape of a frustum of a cone having the diameters of its two circular faces as 30 cm and 35 cm and the vertical height of the mould is 14 cm (see Fig.). If each $c m^{3}$ of molasses has a mass of about 1.2 g, find the mass of the molasses that can be poured into each mould( in kg). (Take $π$ = $\frac{22}{7}$ )

Discussion

26.	Raghu has Rs34 fifty paisa and twenty five paisa coins. If the number of 25 paisa coins is twice the number of 50 paisa coins, how many how many coins of each kid does he have?
Answer» Raghu has Rs34 fifty paisa and twenty five paisa coins. If the number of 25 paisa coins is twice the number of 50 paisa coins, how many how many coins of each kid does he have?

Discussion

27.	A person invested 3 times as much money at 5% as he had invested at 2% per annum simple interest. Further, he invested Rs. 6000 more at 3% then he had invested at 2%. If he total interest from the three investments after a year is Rs. 980, then the total amount he invested is
Answer» A person invested 3 times as much money at $5 %$ as he had invested at $2 %$ per annum simple interest. Further, he invested Rs. 6000 more at $3 %$ then he had invested at $2 %$ . If he total interest from the three investments after a year is Rs. 980, then the total amount he invested is

Discussion

28.	How to find the cost price when there is a loss or profit? EG:- (a). When there is a loss of 4% (b). When a profit of 8%
Answer» How to find the cost price when there is a loss or profit? EG:- (a). When there is a loss of 4% (b). When a profit of 8%

Discussion

29.	Qus1. Rekha and Meeta can weave a sweater in 12 days ,Meeta and Payal in 15 days, Payal and Rekha in 20 days. In how many days will they weave it, if they weave together ? In how many days will each of them weave, if they weave it alone?
Answer» Qus1. Rekha and Meeta can weave a sweater in 12 days ,Meeta and Payal in 15 days, Payal and Rekha in 20 days. In how many days will they weave it, if they weave together ? In how many days will each of them weave, if they weave it alone?

Discussion

30.	There are three consecutive numbers whose sum is 129. Find the square of the middle one.
Answer» There are three consecutive numbers whose sum is 129. Find the square of the middle one.

Discussion

31.	Question 104(ii) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. What is the classes width ?
Answer» Question 104(ii) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. What is the classes width ?

31.

Question 104(ii) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. What is the classes width ?

Answer»

Question 104(ii)

The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town.

What is the classes width ?

Discussion

32.	If the frequency of an object is 7, its tally mark is:
Answer» If the frequency of an object is 7, its tally mark is:

Discussion

33.	A number decreased by 2712% gives 81. The number is (a) 58 (b) 110 (c) 120 (d) 135
Answer» A number decreased by $27 \frac{1}{2} %$ gives 81. The number is (a) 58 (b) 110 (c) 120 (d) 135

Discussion

34.	Find twenty rational numbers between −37 & 23.
Answer» Find twenty rational numbers between $\frac{- 3}{7}$ & $\frac{2}{3}$ .

Discussion

35.	x is defined as 30% of 30. If y=x2+4x+7, find the value of y.
Answer» $x$ is defined as $30 %$ of $30$ . If $y = x^{2} + 4 x + 7$ , find the value of y.

Discussion

36.	The area of rhombus whose perimeter is 48 cm and altitude is 8.5 cm. Answer=102 cm
Answer» The area of rhombus whose perimeter is 48 cm and altitude is 8.5 cm. Answer=102 cm

Discussion

37.	A triangle with area 25 sq. units is translated from one place to another. What is the area of the triangle at its final position?
Answer» A triangle with area $25$ sq. units is translated from one place to another. What is the area of the triangle at its final position?

Discussion

38.	The population of a city is 125000. If the annual birth rate and death rate are 5.5% and 3.5% respectively, calculate the population of city after 3 years.
Answer» The population of a city is 125000. If the annual birth rate and death rate are $5.5 %$ and $3.5 %$ respectively, calculate the population of city after 3 years.

Discussion

39.	If the universal set U = {x: x integer; -6< x <7} and M = {y: y even number; 1< y <5}, complement of M=
Answer» If the universal set U = {x: x integer; -6< x <7} and M = {y: y even number; 1< y <5}, complement of M=

39.

If the universal set U = {x: x integer; -6< x <7} and M = {y: y even number; 1< y <5}, complement of M=

Answer»

If the universal set U = {x: x integer; -6< x <7} and

M = {y: y even number; 1< y <5}, complement of M=

Discussion

40.	If cost price of 11 shirt is equal to selling price of 10 shirt find the profit percentage or loss percentage
Answer» If cost price of 11 shirt is equal to selling price of 10 shirt find the profit percentage or loss percentage

Discussion

41.	Factors of 6x2−19x−20 are
Answer» Factors of $6 x^{2} - 19 x - 20$ are

Discussion

42.	A person bought 6 articles for Rs. 5 and sold 5 articles for Rs. 6. Find the gain percent in the whole transaction.
Answer» A person bought 6 articles for Rs. 5 and sold 5 articles for Rs. 6. Find the gain percent in the whole transaction.

Discussion

43.	A can do a piece of work in 40 days and B in 45 days. They work together for 10 days and then B goes away. In how many days wil A finish the remaining work?
Answer» A can do a piece of work in 40 days and B in 45 days. They work together for 10 days and then B goes away. In how many days wil A finish the remaining work?

Discussion

44.	The value of 'x' for which 9x+45=90
Answer» The value of 'x' for which $9 x + 45 = 90$

Discussion

45.	While reading a newspaper, Ted caught news of a football match between Brazil and Spain. The countries were represented with their respective flags. In Brazil’s flag, the length of any side of the parallelogram is 10.6 cm and the corresponding height is equal to 8.3 cm. If the area of the green region is 74.02 cm2 and length of the flag is twice the breadth, find the length of the flag.
Answer» While reading a newspaper, Ted caught news of a football match between Brazil and Spain. The countries were represented with their respective flags. In Brazil’s flag, the length of any side of the parallelogram is 10.6 cm and the corresponding height is equal to 8.3 cm. If the area of the green region is 74.02 $c m^{2}$ and length of the flag is twice the breadth, find the length of the flag.

45.

While reading a newspaper, Ted caught news of a football match between Brazil and Spain. The countries were represented with their respective flags. In Brazil’s flag, the length of any side of the parallelogram is 10.6 cm and the corresponding height is equal to 8.3 cm. If the area of the green region is 74.02 cm2 and length of the flag is twice the breadth, find the length of the flag.

Answer»

While reading a newspaper, Ted caught news of a football match between Brazil and Spain. The countries were represented with their respective flags. In Brazil’s flag, the length of any side of the parallelogram is 10.6 cm and the corresponding height is equal to 8.3 cm. If the area of the green region is 74.02 $c m^{2}$ and length of the flag is twice the breadth, find the length of the flag.

Discussion

46.	There is a regular octagonal park. Find the surface area of the park (in m2 ).
Answer» There is a regular octagonal park. Find the surface area of the park (in $m^{2}$ ).

46.

There is a regular octagonal park. Find the surface area of the park (in m2 ).

Answer»

There is a regular octagonal park. Find the surface area of the park (in $m^{2}$ ).

Discussion

47.	What is the difference between simple interest and compound interest on ₹ 2400 for one year at 10 per annum reckoned half-yearly?
Answer» What is the difference between simple interest and compound interest on ₹ $2400$ for one year at $10$ per annum reckoned half-yearly?

Discussion

48.	What is the cube of -25?
Answer» What is the cube of -25?

Discussion

49.	evaluate (2)raise to -1/2
Answer» evaluate (2)raise to -1/2

Discussion

50.	Question 4(ii) Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of : getting a number less than 6.
Answer» Question 4(ii) Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of : getting a number less than 6.

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

Construct a square, if : (i) its one side is 3.8 cm (ii) its each side is 4.3 cm. (iii) one diagonal is 6.2 cm. (iv) each diagonal is 5.7 cm.

Priya lost her homework paper on polynomials and she doesn't remember the divisor dividing the polynomial x3−3x2+x+2 gives quotient x−2 and remainder −2x+4. Find the divisor.

Find the difference between compound interest and simple interest on an amount of ₹ 15,000 for 2 years at 8 % per annum

By using the formula, find the amount and compound interest on: Rs 10000 for 2 years at 11% per annum compounded annually.

The mean of the following distribution is: xi10131619fi2576

If x2+y2=14 and xy=3, find the value of 2(x+y)2−5(x−y)2.

Question 40 (d) Fill in the blanks with &lt;, &gt; or = sign. 10000 __ 105

Construct a quadrilatera ABCD, where AB=4.2 cm, BC=3.6 cm,CD=4.8 cm,∠B=30∘ and ∠C=150∘

If x is a multiple of 3,then what is the next multiple of 3?

A cricketer hits 120 runs in 150 balls during a test match. 20% of the runs came in 6's, 30% in 4's, 25% in 2's and the rest in 1's. How many runs did he score in: (i)6's (ii)4's (iii)2's (iv)singles What % of his shots were scoring ones?

Three angles of a quadrilateral are equal and the measure of the fourth angle is 120∘. Find the measure of each of the equal angles.

Find the square root of 11 correct to five decimal places.

What is a Cube?

The product of (8x-4y) and (2x-9y) is

Which of the following is the like term of 6m2n3 ?

The following element is sufficient to construct a quadrilateral:

4x+3=2x-5

Construct a rhombus whose side is of length 3.4cm and one of its angles is 45∘.

Find the product : ( x + 1 ) ( x - 1) ( x^2 +1)

The point of intersection of the three medians of a triangle is called

Solve 196^2 by the formulae (a-b)^2=a^2-2ab+b^2

Question 73 Fill in the blanks to make the statements true. If all sides of a quadrilateral are equal, it is a .

Question 3(ii) Factorise the expressions 7p2+21q2

Find the area of the trapezium PQRS.

Raghu has Rs34 fifty paisa and twenty five paisa coins. If the number of 25 paisa coins is twice the number of 50 paisa coins, how many how many coins of each kid does he have?

A person invested 3 times as much money at 5% as he had invested at 2% per annum simple interest. Further, he invested Rs. 6000 more at 3% then he had invested at 2%. If he total interest from the three investments after a year is Rs. 980, then the total amount he invested is

How to find the cost price when there is a loss or profit? EG:- (a). When there is a loss of 4% (b). When a profit of 8%

Qus1. Rekha and Meeta can weave a sweater in 12 days ,Meeta and Payal in 15 days, Payal and Rekha in 20 days. In how many days will they weave it, if they weave together ? In how many days will each of them weave, if they weave it alone?

There are three consecutive numbers whose sum is 129. Find the square of the middle one.

Question 104(ii) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. What is the classes width ?

If the frequency of an object is 7, its tally mark is:

A number decreased by 2712% gives 81. The number is (a) 58 (b) 110 (c) 120 (d) 135

Find twenty rational numbers between −37 &amp; 23.

x is defined as 30% of 30. If y=x2+4x+7, find the value of y.

The area of rhombus whose perimeter is 48 cm and altitude is 8.5 cm. Answer=102 cm

A triangle with area 25 sq. units is translated from one place to another. What is the area of the triangle at its final position?

The population of a city is 125000. If the annual birth rate and death rate are 5.5% and 3.5% respectively, calculate the population of city after 3 years.

If the universal set U = {x: x integer; -6&lt; x &lt;7} and M = {y: y even number; 1&lt; y &lt;5}, complement of M=

If cost price of 11 shirt is equal to selling price of 10 shirt find the profit percentage or loss percentage

Factors of 6x2−19x−20 are

A person bought 6 articles for Rs. 5 and sold 5 articles for Rs. 6. Find the gain percent in the whole transaction.

A can do a piece of work in 40 days and B in 45 days. They work together for 10 days and then B goes away. In how many days wil A finish the remaining work?

The value of 'x' for which 9x+45=90

There is a regular octagonal park. Find the surface area of the park (in m2 ).

What is the difference between simple interest and compound interest on ₹ 2400 for one year at 10 per annum reckoned half-yearly?

What is the cube of -25?

evaluate (2)raise to -1/2

Question 4(ii) Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of : getting a number less than 6.

Question 40 (d) Fill in the blanks with <, > or = sign. 10000 __ 105

Find twenty rational numbers between −37 & 23.

If the universal set U = {x: x integer; -6< x <7} and M = {y: y even number; 1< y <5}, complement of M=