25365 + Interview Questions in Mathematics

1.	A coin is tossed once with head as the outcome. On the second toss, what is the probability of getting the tail?
Answer» A coin is tossed once with head as the outcome. On the second toss, what is the probability of getting the tail?

Discussion

2.	PLEASE EXPLAIN ME THE DEMORGANS LAW.
Answer» PLEASE EXPLAIN ME THE DEMORGANS LAW.

Discussion

3.	If 20 is decreased by 50%, we get ______.10
Answer» If 20 is decreased by 50%, we get ______. 10

Discussion

4.	A dealer gets Rs.940 more if instead of selling a table at loss of 10%, it is sold at a gain of 10%. Find the cost price of the table.
Answer» A dealer gets $R s .940$ more if instead of selling a table at loss of $10 %$ , it is sold at a gain of $10 %$ . Find the cost price of the table.

Discussion

5.	The units digit of a two digit number is 3 and 7 times the sum of the digits is the number itself find the number
Answer» The units digit of a two digit number is 3 and 7 times the sum of the digits is the number itself find the number

Discussion

6.	The differences between two numbers is 5 and the product is 14. Find the difference between their cubes.
Answer» The differences between two numbers is 5 and the product is 14. Find the difference between their cubes.

Discussion

7.	If in the following figure, AC = CD, AD = BD and ∠C = 52o, then the measure of ∠DAB is:
Answer» If in the following figure, AC = CD, AD = BD and ∠C = $52^{o}$ , then the measure of ∠DAB is:

Discussion

8.	What least number must be added to 6072 to make it a perfect square
Answer» What least number must be added to 6072 to make it a perfect square

Discussion

9.	The area of a square plot is 1011400 m2. Find the length of one side of the plot.
Answer» The area of a square plot is $101 \frac{1}{400} m^{2}$ . Find the length of one side of the plot.

Discussion

10.	Question 8 Mohan wants to buy a trapezium-shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m2 and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.
Answer» Question 8 Mohan wants to buy a trapezium-shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is $10500 m^{2}$ and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.

Discussion

11.	48x^2-13x-1 Factorise it
Answer» 48x^2-13x-1 Factorise it

11.

48x^2-13x-1 Factorise it

Answer»

48x^2-13x-1

Factorise it

Discussion

12.	Find the square root of xm2−n2.xn2+2mn.xn2
Answer» Find the square root of $x^{m^{2} - n^{2}} . x^{n^{2} + 2 m n}$ . $x^{n^{2}}$

Discussion

13.	If P = Rs.4000, R = 5% and T = 3 years then simple interest is:
Answer» If P = Rs.4000, R = 5% and T = 3 years then simple interest is:

Discussion

14.	Question 4 (i) Find the least number which must be subtracted from each of the following numbers so as to get a perfect square. Also, find the square root of the perfect square so obtained: 402
Answer» Question 4 (i) Find the least number which must be subtracted from each of the following numbers so as to get a perfect square. Also, find the square root of the perfect square so obtained: 402

14.

Question 4 (i) Find the least number which must be subtracted from each of the following numbers so as to get a perfect square. Also, find the square root of the perfect square so obtained: 402

Answer»

Question 4 (i)
Find the least number which must be subtracted from each of the following numbers so as to get a perfect square. Also, find the square root of the perfect square so obtained:

402

Discussion

15.	Is 53240 a perfect cube ? If not, then by which smallest natural number should 53240 be divided so that the quotient is a perfect cube?
Answer» Is 53240 a perfect cube ? If not, then by which smallest natural number should 53240 be divided so that the quotient is a perfect cube?

Discussion

16.	A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then find the fraction of the work that is left.
Answer» A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then find the fraction of the work that is left.

Discussion

17.	When a boat goes upstream for a distance of 24km and downstream for 24km with a speed of 18 km/h, the time difference is 1 hours. Find the speed of the stream?
Answer» When a boat goes upstream for a distance of 24km and downstream for 24km with a speed of 18 km/h, the time difference is 1 hours. Find the speed of the stream?

Discussion

18.	Area of a sector with angle p (in degrees) of a circle with radius r is
Answer» Area of a sector with angle p (in degrees) of a circle with radius r is

Discussion

19.	Algebraic expression , topic simplify expression
Answer» Algebraic expression , topic simplify expression

Discussion

20.	Can we draw a quadrilateral ABCD with following AB = 3 cm, BC = 5 cm, AD = 4 cm, CD = 7 cm and BD = 8 cm?
Answer» Can we draw a quadrilateral ABCD with following AB = 3 cm, BC = 5 cm, AD = 4 cm, CD = 7 cm and BD = 8 cm?

Discussion

21.	Compound interest on ₹ 62,500 for 112 years at the rate of 8% per annum, compounded half yearly is
Answer» Compound interest on ₹ 62,500 for $1 \frac{1}{2}$ years at the rate of 8% per annum, compounded half yearly is

Discussion

22.	The volume of a cuboidal tank is 1000 m3. Its length and breadth are 20 m and 10 m respectively. The height of the tank is ___ m
Answer» The volume of a cuboidal tank is $1000 m^{3}$ . Its length and breadth are $20 m$ and $10 m$ respectively. The height of the tank is ___ $m$

Discussion

23.	A can complete a work in 12 days.A and B both can finish same work in 4 days.B alone can complete the work in
Answer» A can complete a work in 12 days.A and B both can finish same work in 4 days.B alone can complete the work in

Discussion

24.	28is divided into 2 part in such a way that 6/5of 1 part is equal to 2/3of other .what would be the smallest part? (Please explain in detail)
Answer» 28is divided into 2 part in such a way that 6/5of 1 part is equal to 2/3of other .what would be the smallest part? (Please explain in detail)

24.

28is divided into 2 part in such a way that 6/5of 1 part is equal to 2/3of other .what would be the smallest part? (Please explain in detail)

Answer»

28is divided into 2 part in such a way that 6/5of 1 part is equal to 2/3of other .what would be the smallest part?

(Please explain in detail)

Discussion

25.	(b3)2 = _______ .
Answer» (b³)² = _______ .

25.

(b3)2 = _______ .

Answer»

(b³)² = _______ .

Discussion

26.	The price of a book was Rs 50. If the price is increased by 6% then its new price will be:
Answer» The price of a book was Rs 50. If the price is increased by 6% then its new price will be:

Discussion

27.	A cricket ball of radius r is exactly fitted in a cylindrical tin as shown in the figure below. The ratio of surface area of cricket ball to the surface area of the tin is
Answer» A cricket ball of radius r is exactly fitted in a cylindrical tin as shown in the figure below. The ratio of surface area of cricket ball to the surface area of the tin is

Discussion

28.	Factorise: √3x2 + 11x + 6√3
Answer» Factorise: √3x² + 11x + 6√3

28.

Factorise: √3x2 + 11x + 6√3

Answer»

Factorise:

√3x² + 11x + 6√3

Discussion

29.	Given two parallel lines, Which of the following angles are equal?
Answer» Given two parallel lines, Which of the following angles are equal?

29.

Given two parallel lines, Which of the following angles are equal?

Answer»

Given two parallel lines,

Which of the following angles are equal?

Discussion

30.	Finding a rational number.
Answer» Finding a rational number.

Discussion

31.	Dear sir/Ma'am I have a problem in solving this question Q. The population of a country and the area of land per person how are the inversely proportional?
Answer» Dear sir/Ma'am I have a problem in solving this question Q. The population of a country and the area of land per person how are the inversely proportional?

Discussion

32.	A number multiplied by 2, then decreased by 41 gives 3. The number is ___
Answer» A number multiplied by 2, then decreased by 41 gives 3. The number is ___

Discussion

33.	1 + 3 + 5 + 7 =
Answer» 1 + 3 + 5 + 7 =

Discussion

34.	A two digit number is 5 times the sum of its digits. What is the remainder when this number is divided by 9?
Answer» A two digit number is 5 times the sum of its digits. What is the remainder when this number is divided by 9?

Discussion

35.	Find the total surface area of a cuboid of dimensions 10 m×5 m×13 m.
Answer» Find the total surface area of a cuboid of dimensions $10 m \times 5 m \times 13 m$ .

Discussion

36.	If a and b are two rational numbers such that a < 0 and b > 0, then, on the number line
Answer» If a and b are two rational numbers such that a < 0 and b > 0, then, on the number line

Discussion

37.	A nursery has 5000 plants, 5% of the plants are roses and 1% are mango plants. What is the total number of other plants? [2 MARKS]
Answer» A nursery has 5000 plants, $5 %$ of the plants are roses and $1 %$ are mango plants. What is the total number of other plants? [2 MARKS]

Discussion

38.	Question 119 Solve the following question: Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. Find the numbers.
Answer» Question 119 Solve the following question: Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. Find the numbers.

38.

Question 119 Solve the following question: Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. Find the numbers.

Answer»

Question 119

Solve the following question:

Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. Find the numbers.

Discussion

39.	Using the pattern, 22 = 4 202 = 400 We get 20002 =
Answer» Using the pattern, 2² = 4 20² = 400 We get 2000² =

39.

Using the pattern, 22 = 4 202 = 400 We get 20002 =

Answer»

Using the pattern,

2² = 4

20² = 400

We get 2000² =

Discussion

40.	Question 3 If the point (3,4) lies on the graph of the equation 3y=ax+7, find the value of a.
Answer» Question 3 If the point $(3, 4)$ lies on the graph of the equation $3 y = a x + 7$ , find the value of a.

Discussion

41.	The area of a trapezium whose parallel sides are 57 cm and 39 cm and the distance between them is 28 cm is
Answer» The area of a trapezium whose parallel sides are 57 cm and 39 cm and the distance between them is 28 cm is

Discussion

42.	Sum of the interior angles of a triangle is ___.
Answer» Sum of the interior angles of a triangle is ___.

Discussion

43.	A juice factory produces 180 litres of juice everyday. If the juice carton has the following measurements: height = 12 cm, breadth = 3 cm and length = 5 cm, how many containers will be filled in a day? [4 MARKS]
Answer» A juice factory produces 180 litres of juice everyday. If the juice carton has the following measurements: height = 12 cm, breadth = 3 cm and length = 5 cm, how many containers will be filled in a day? [4 MARKS]

Discussion

44.	Rahul's age is five more than twice his son's age. If the son's age is x years, then Rahul's age can be expressed as _____.
Answer» Rahul's age is five more than twice his son's age. If the son's age is $x$ years, then Rahul's age can be expressed as _____.

Discussion

45.	What is the coefficient of x2 in the polynomial 5x3−4x2+3x+10 ?
Answer» What is the coefficient of $x^{2}$ in the polynomial $5 x^{3} - 4 x^{2} + 3 x + 10$ ?

Discussion

46.	Solve: −104x3y3z3−13xyz
Answer» Solve: $\frac{- 104 x^{3} y^{3} z^{3}}{- 13 x y z}$

Discussion

47.	1001×1004= ___
Answer» $1001 \times 1004 =$ ___

Discussion

48.	The hour hand of a clock is 6.3 cm long. Find the distance covered by it in 2 days.
Answer» The hour hand of a clock is 6.3 cm long. Find the distance covered by it in 2 days.

Discussion

49.	What is the lower class limit for the class interval 40 - 70?
Answer» What is the lower class limit for the class interval 40 - 70?

Discussion

50.	Factorize x2+9x+14. [1 MARK]
Answer» Factorize $x^{2} + 9 x + 14$ . [1 MARK]

Discussion

Explore topic-wise InterviewSolutions in Current Affairs.

A coin is tossed once with head as the outcome. On the second toss, what is the probability of getting the tail?

PLEASE EXPLAIN ME THE DEMORGANS LAW.

If 20 is decreased by 50%, we get ______.10

A dealer gets Rs.940 more if instead of selling a table at loss of 10%, it is sold at a gain of 10%. Find the cost price of the table.

The units digit of a two digit number is 3 and 7 times the sum of the digits is the number itself find the number

The differences between two numbers is 5 and the product is 14. Find the difference between their cubes.

If in the following figure, AC = CD, AD = BD and ∠C = 52o, then the measure of ∠DAB is:

What least number must be added to 6072 to make it a perfect square

The area of a square plot is 1011400 m2. Find the length of one side of the plot.

Question 8 Mohan wants to buy a trapezium-shaped field. Its side along the river is parallel to and twice the side along the road. If the area of this field is 10500 m2 and the perpendicular distance between the two parallel sides is 100 m, find the length of the side along the river.

48x^2-13x-1 Factorise it

Find the square root of xm2−n2.xn2+2mn.xn2

If P = Rs.4000, R = 5% and T = 3 years then simple interest is:

Question 4 (i) Find the least number which must be subtracted from each of the following numbers so as to get a perfect square. Also, find the square root of the perfect square so obtained: 402

Is 53240 a perfect cube ? If not, then by which smallest natural number should 53240 be divided so that the quotient is a perfect cube?

A can do a work in 15 days and B in 20 days. If they work on it together for 4 days, then find the fraction of the work that is left.

When a boat goes upstream for a distance of 24km and downstream for 24km with a speed of 18 km/h, the time difference is 1 hours. Find the speed of the stream?

Area of a sector with angle p (in degrees) of a circle with radius r is

Algebraic expression , topic simplify expression

Can we draw a quadrilateral ABCD with following AB = 3 cm, BC = 5 cm, AD = 4 cm, CD = 7 cm and BD = 8 cm?

Compound interest on ₹ 62,500 for 112 years at the rate of 8% per annum, compounded half yearly is

The volume of a cuboidal tank is 1000 m3. Its length and breadth are 20 m and 10 m respectively. The height of the tank is ___ m

A can complete a work in 12 days.A and B both can finish same work in 4 days.B alone can complete the work in

28is divided into 2 part in such a way that 6/5of 1 part is equal to 2/3of other .what would be the smallest part? (Please explain in detail)

(b3)2 = _______ .

The price of a book was Rs 50. If the price is increased by 6% then its new price will be:

A cricket ball of radius r is exactly fitted in a cylindrical tin as shown in the figure below. The ratio of surface area of cricket ball to the surface area of the tin is

Factorise: √3x2 + 11x + 6√3

Given two parallel lines, Which of the following angles are equal?

Finding a rational number.

Dear sir/Ma'am I have a problem in solving this question Q. The population of a country and the area of land per person how are the inversely proportional?

A number multiplied by 2, then decreased by 41 gives 3. The number is ___

1 + 3 + 5 + 7 =

A two digit number is 5 times the sum of its digits. What is the remainder when this number is divided by 9?

Find the total surface area of a cuboid of dimensions 10 m×5 m×13 m.

If a and b are two rational numbers such that a &lt; 0 and b &gt; 0, then, on the number line

A nursery has 5000 plants, 5% of the plants are roses and 1% are mango plants. What is the total number of other plants? [2 MARKS]

Question 119 Solve the following question: Three numbers are in the ratio 1 : 2 : 3 and the sum of their cubes is 4500. Find the numbers.

Using the pattern, 22 = 4 202 = 400 We get 20002 =

Question 3 If the point (3,4) lies on the graph of the equation 3y=ax+7, find the value of a.

The area of a trapezium whose parallel sides are 57 cm and 39 cm and the distance between them is 28 cm is

Sum of the interior angles of a triangle is ___.

A juice factory produces 180 litres of juice everyday. If the juice carton has the following measurements: height = 12 cm, breadth = 3 cm and length = 5 cm, how many containers will be filled in a day? [4 MARKS]

Rahul's age is five more than twice his son's age. If the son's age is x years, then Rahul's age can be expressed as _____.

What is the coefficient of x2 in the polynomial 5x3−4x2+3x+10 ?

Solve: −104x3y3z3−13xyz

1001×1004= ___

The hour hand of a clock is 6.3 cm long. Find the distance covered by it in 2 days.

What is the lower class limit for the class interval 40 - 70?

Factorize x2+9x+14. [1 MARK]

If a and b are two rational numbers such that a < 0 and b > 0, then, on the number line