25365 + Interview Questions in Mathematics Page 119 InterviewSolution

5901.	Question 27 In the given question, fill in the blanks to make the statement true. 1x35 is divisible by 9, if x = ___ .
Answer» Question 27 In the given question, fill in the blanks to make the statement true. 1x35 is divisible by 9, if x = ___ .

Discussion

5902.	The sides of a rectangle are the ratio 4 : 5 Find its sides if the perimeter is 90 cm.
Answer» The sides of a rectangle are the ratio 4 : 5 Find its sides if the perimeter is 90 cm.

Discussion

5903.	Question 89Ritwik draws a ball from a bag that contains white and yellow balls. The probability of choosing a white ball is 29. If the total number of balls in the bag is 36, then find the number of yellow balls.
Answer» Question 89 Ritwik draws a ball from a bag that contains white and yellow balls. The probability of choosing a white ball is $\frac{2}{9} .$ If the total number of balls in the bag is 36, then find the number of yellow balls.

5903.

Question 89Ritwik draws a ball from a bag that contains white and yellow balls. The probability of choosing a white ball is 29. If the total number of balls in the bag is 36, then find the number of yellow balls.

Answer»

Question 89

Ritwik draws a ball from a bag that contains white and yellow balls. The probability of choosing a white ball is $\frac{2}{9} .$ If the total number of balls in the bag is 36, then find the number of yellow balls.

Discussion

5904.	the present age of a father is three years more than three times the age of his son. three years hence the fathers age will be 10 years more than twice the age of the son. Determine their present ages.
Answer» the present age of a father is three years more than three times the age of his son. three years hence the fathers age will be 10 years more than twice the age of the son. Determine their present ages.

Discussion

5905.	Question 4(v) Factorise a4−2a2b2+b4
Answer» Question 4(v) Factorise $a^{4} - 2 a^{2} b^{2} + b^{4}$

Discussion

5906.	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

5907.	A work can be done by 32 men in 11 days. 10 of them did not join the work. How long will it take now to complete the work?
Answer» A work can be done by 32 men in 11 days. 10 of them did not join the work. How long will it take now to complete the work?

Discussion

5908.	Question 8ABCD is a quadrilateral in which AB \|\| DC and AD = BC. Prove that ∠A=∠B and ∠C=∠D.
Answer» Question 8 ABCD is a quadrilateral in which AB \|\| DC and AD = BC. Prove that $∠ A = ∠ B a n d ∠ C = ∠ D$ .

Discussion

5909.	A dealer gets Rs. 56 less if instead of selling a chair at again of 15%,it is sold at a gain of8%.Find the cost price of the chair.
Answer» $A dealer gets Rs. 56 less if instead of selling a chair at again of 15 %, it is sold at a gain of 8 % . Find the cost price of the chair.$

Discussion

5910.	The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incureed by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?
Answer» The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incureed by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?

Discussion

5911.	The number of 5 lettered word, with or without meaning, which can be formed from letters of word CHILD when repetition is not allowed are .
Answer» The number of $5$ lettered word, with or without meaning, which can be formed from letters of word $CHILD$ when repetition is not allowed are .

Discussion

5912.	46. If y=x^2+x,then maximum And minimum value of y is
Answer» 46. If y=x^2+x,then maximum And minimum value of y is

Discussion

5913.	The degree of a polynomial is greater than or equal to
Answer» The degree of a polynomial is greater than or equal to

Discussion

5914.	Solve:- 2p+5/3=3p-10
Answer» Solve:- 2p+5/3=3p-10

Discussion

5915.	Question 83 (xxii)Multiply the following:(2x−2y−3),(x+y+5)
Answer» Question 83 (xxii) Multiply the following: $(2 x - 2 y - 3), (x + y + 5)$

5915.

Question 83 (xxii)Multiply the following:(2x−2y−3),(x+y+5)

Answer»

Question 83 (xxii)

Multiply the following:

$(2 x - 2 y - 3), (x + y + 5)$

Discussion

5916.	By selling an article for ₹382.50 a man loses 15%. Cost price of the article is₹ ___.
Answer» By selling an article for ₹382.50 a man loses $15 %$ . Cost price of the article is₹ ___.

Discussion

5917.	What is perfect square
Answer» What is perfect square

Discussion

5918.	The height of a cylinder is 14 cm and its curved surface area is 264 cm2.The volume of the cylinder is (a) 308 cm3 (b) 396 cm3 (c) 1232 cm3 (d) 1848 cm3
Answer» The height of a cylinder is 14 cm and its curved surface area is 264 $c m^{2}$ .The volume of the cylinder is (a) $308 c m^{3}$ (b) $396 c m^{3}$ (c) $1232 c m^{3}$ (d) $1848 c m^{3}$

5918.

The height of a cylinder is 14 cm and its curved surface area is 264 cm2.The volume of the cylinder is (a) 308 cm3 (b) 396 cm3 (c) 1232 cm3 (d) 1848 cm3

Answer»

The height of a cylinder is 14 cm and its curved surface area is 264 $c m^{2}$ .The volume of the cylinder is

(a) $308 c m^{3}$

(b) $396 c m^{3}$

(c) $1232 c m^{3}$

(d) $1848 c m^{3}$

Discussion

5919.	The length of two adjacent sides of a parallelogram are 5 cm and 3.5cm. One of its diagonals is 6.5cm long. Then, find the area of the parallelogram.
Answer» The length of two adjacent sides of a parallelogram are 5 cm and 3.5cm. One of its diagonals is 6.5cm long. Then, find the area of the parallelogram.

Discussion

5920.	Which of the following is a bar graph?
Answer» Which of the following is a bar graph?

Discussion

5921.	What will be the height of a cuboid of volume 168 m3, if the area of its base is 28 m2?
Answer» What will be the height of a cuboid of volume 168 $m^{3}$ , if the area of its base is 28 $m^{2}$ ?

Discussion

5922.	PQRS is a parallelogram QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find QN, if PS = 8 cm
Answer» PQRS is a parallelogram QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find QN, if PS = 8 cm

5922.

PQRS is a parallelogram QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find QN, if PS = 8 cm

Answer»

PQRS is a parallelogram QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find QN, if PS = 8 cm

Discussion

5923.	If n+5∑r=6(r−5)3=[p(p−1)2]2 is true for n∈N, then p=(use principle of mathematical induction)
Answer» If $n + 5 \sum r = 6 (r - 5)^{3} = {[\frac{p (p - 1)}{2}]}^{2}$ is true for $n \in N,$ then $p =$ (use principle of mathematical induction)

Discussion

5924.	The class mark of the class with the highest frequency is
Answer» The class mark of the class with the highest frequency is

5924.

The class mark of the class with the highest frequency is

Answer»

The class mark of the class with the highest frequency is

Discussion

5925.	40% of ? = 240 (a) 60 (b) 600 (c) 6000 (d) 960
Answer» 40 $%$ of ? = 240 (a) 60 (b) 600 (c) 6000 (d) 960

Discussion

5926.	When S.P=Rs. 750, C.P=Rs. 600. Find gain percent.
Answer» When $S . P = R s . 750,$ C.P $= R s . 600.$ Find gain percent.

Discussion

5927.	Manjit bought an iron safe for ₹ 12160 and paid ₹ 340 for its transportation. Then, he sold it for ₹ 12875. Find his gain per cent
Answer» Manjit bought an iron safe for ₹ 12160 and paid ₹ 340 for its transportation. Then, he sold it for ₹ 12875. Find his gain per cent

Discussion

5928.	Question 124(i) Name the property used in each of the following: −711×−35=−35×−711
Answer» Question 124(i) Name the property used in each of the following: $\frac{- 7}{11} \times \frac{- 3}{5} = \frac{- 3}{5} \times \frac{- 7}{11}$

Discussion

5929.	Prove the following trigonometric identities.1+cosAsin2A=11-cosA
Answer» Prove the following trigonometric identities. $\frac{1 + \cos A}{\sin^{2} A} = \frac{1}{1 - \cos A}$

Discussion

5930.	Find the value of 4 × 3 on a number line.12
Answer» Find the value of 4 $\times$ 3 on a number line. 12

Discussion

5931.	Question 97(i)The following pie chart depicts the expenditure of a state government under different heads :If the total spending is 10 crore, how much money was spent on roads ?
Answer» Question 97(i) The following pie chart depicts the expenditure of a state government under different heads : If the total spending is 10 crore, how much money was spent on roads ?

5931.

Question 97(i)The following pie chart depicts the expenditure of a state government under different heads :If the total spending is 10 crore, how much money was spent on roads ?

Answer»

Question 97(i)

The following pie chart depicts the expenditure of a state government under different heads :

If the total spending is 10 crore, how much money was spent on roads ?

Discussion

5932.	For subsets A and B of a set X, define the set A\ast B as A\ast B=(A∩ B)∪((X-A)∩(X-B)). Then only one of the following statements is true, which one is it? (1) A\ast B⊂ A\ast(X-B) and A\ast B≠ A\ast(X-B) (2) X-(A\ast B)=A\ast(X-B) (3) A\ast(X-B)⊂ A\ast B and A\ast(X-B)≠ A\ast B (4) A\ast B=A\ast(X-B)
Answer» For subsets A and B of a set X, define the set A\ast B as A\ast B=(A∩ B)∪((X-A)∩(X-B)). Then only one of the following statements is true, which one is it? (1) A\ast B⊂ A\ast(X-B) and A\ast B≠ A\ast(X-B) (2) X-(A\ast B)=A\ast(X-B) (3) A\ast(X-B)⊂ A\ast B and A\ast(X-B)≠ A\ast B (4) A\ast B=A\ast(X-B)

Discussion

5933.	If the digit 1 is placed after a two digit number whose tens digit is ‘t’ and units digit is ‘u’, which of these options represents the new number?
Answer» If the digit 1 is placed after a two digit number whose tens digit is ‘t’ and units digit is ‘u’, which of these options represents the new number?

Discussion

5934.	The reciprocal of 27×15 is _____.
Answer» The reciprocal of $\frac{2}{7} \times \frac{1}{5}$ is _____.

Discussion

5935.	Rita goes 20 km towards east from a point A to the point B. From B, she moves 30 km towards west along the same road. If the distance towards east is represented by a positive integer then, how will you represent the distance travelled towards west? By which integer will you represent her final position from A?
Answer» Rita goes 20 km towards east from a point A to the point B. From B, she moves 30 km towards west along the same road. If the distance towards east is represented by a positive integer then, how will you represent the distance travelled towards west? By which integer will you represent her final position from A?

Discussion

5936.	Question 42 Fill in the blank to make statement true. The base of a triangular pyramid is a ___.
Answer» Question 42 Fill in the blank to make statement true. The base of a triangular pyramid is a ___.

Discussion

5937.	Evaluate: √6241
Answer» Evaluate: $\sqrt{6241}$

Discussion

5938.	Neema moves 4 metres to the west from the starting point in the first trip. Then, she moves 5 metres to the east in the second trip. In the third trip, she moves 10 metres to the west. What is her position with respect to the starting point after the three trips?
Answer» Neema moves 4 metres to the west from the starting point in the first trip. Then, she moves 5 metres to the east in the second trip. In the third trip, she moves 10 metres to the west. What is her position with respect to the starting point after the three trips?

Discussion

5939.	Construct Quadrilateral GOLD with OL=7.5 cm, GL= 6 cm, GD = 6 cm, LD = 5 cm, OD = 10 cm.
Answer» Construct Quadrilateral GOLD with OL=7.5 cm, GL= 6 cm, GD = 6 cm, LD = 5 cm, OD = 10 cm.

Discussion

5940.	Manoj buys a leather coat costing Rs. 900 at Rs. 990 after paying the VAT. Calculate the VAT charged on the cost.
Answer» Manoj buys a leather coat costing Rs. 900 at Rs. 990 after paying the VAT. Calculate the VAT charged on the cost.

Discussion

5941.	Additive inverse of -3/5 is ____ .
Answer» Additive inverse of -3/5 is ____ .

Discussion

5942.	In a cylinder, if radius is doubled and height is halved, curved surface area will be _________.
Answer» In a cylinder, if radius is doubled and height is halved, curved surface area will be _________.

Discussion

5943.	A large circular farm is next to a river. A farmer can fence the farm with an iron wire of length 18.84 m. How much area will be enclosed by the fence (in m2)?
Answer» A large circular farm is next to a river. A farmer can fence the farm with an iron wire of length 18.84 m. How much area will be enclosed by the fence (in $m^{2})$ ?

Discussion

5944.	∫ x^2+3/x^6(x^2+1)d
Answer» ∫ x^2+3/x^6(x^2+1)d

Discussion

5945.	Sort the steps to construct a rhombus AJUN of the diagonals of length AU = 24 cm and JN = 10 cm.
Answer» Sort the steps to construct a rhombus AJUN of the diagonals of length AU = 24 cm and JN = 10 cm.

Discussion

5946.	An exterior angle of a triangle is 120° and one of the interior opposite angles is 30°. Find the other angles of the triangle.
Answer» An exterior angle of a triangle is 120° and one of the interior opposite angles is 30°. Find the other angles of the triangle.

Discussion

5947.	Which of the following should be the THIRD sentence after rearrangement?
Answer» Which of the following should be the THIRD sentence after rearrangement?

Discussion

5948.	745 students have to be arranged in equal to the number of rows and columns to form a square. Find the number of rows/columns, if 16 students are left out after the arrangement.
Answer» 745 students have to be arranged in equal to the number of rows and columns to form a square. Find the number of rows/columns, if 16 students are left out after the arrangement.

Discussion

5949.	External and internal diameters of hollow cylinder are (3.23±0.1) and (2.89±0.1)cm. Thikness of wall of cylinder is
Answer» External and internal diameters of hollow cylinder are (3.23±0.1) and (2.89±0.1)cm. Thikness of wall of cylinder is

Discussion

5950.	Answer each of the following questions in one word or one sentence or as per exact requirement of the question:Write the distance of a point P(a, b, c) from x-axis.
Answer» Answer each of the following questions in one word or one sentence or as per exact requirement of the question: Write the distance of a point P(a, b, c) from x-axis.

Discussion

Explore topic-wise InterviewSolutions in .

Question 27 In the given question, fill in the blanks to make the statement true. 1x35 is divisible by 9, if x = ___ .

The sides of a rectangle are the ratio 4 : 5 Find its sides if the perimeter is 90 cm.

Question 89Ritwik draws a ball from a bag that contains white and yellow balls. The probability of choosing a white ball is 29. If the total number of balls in the bag is 36, then find the number of yellow balls.

the present age of a father is three years more than three times the age of his son. three years hence the fathers age will be 10 years more than twice the age of the son. Determine their present ages.

Question 4(v) Factorise a4−2a2b2+b4

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

A work can be done by 32 men in 11 days. 10 of them did not join the work. How long will it take now to complete the work?

Question 8ABCD is a quadrilateral in which AB || DC and AD = BC. Prove that ∠A=∠B and ∠C=∠D.

A dealer gets Rs. 56 less if instead of selling a chair at again of 15%,it is sold at a gain of8%.Find the cost price of the chair.

The percentage profit earned by selling an article for Rs. 1920 is equal to the percentage loss incureed by selling the same article for Rs. 1280. At what price should the article be sold to make 25% profit?

The number of 5 lettered word, with or without meaning, which can be formed from letters of word CHILD when repetition is not allowed are .

46. If y=x^2+x,then maximum And minimum value of y is

The degree of a polynomial is greater than or equal to

Solve:- 2p+5/3=3p-10

Question 83 (xxii)Multiply the following:(2x−2y−3),(x+y+5)

By selling an article for ₹382.50 a man loses 15%. Cost price of the article is₹ ___.

What is perfect square

The height of a cylinder is 14 cm and its curved surface area is 264 cm2.The volume of the cylinder is (a) 308 cm3 (b) 396 cm3 (c) 1232 cm3 (d) 1848 cm3

The length of two adjacent sides of a parallelogram are 5 cm and 3.5cm. One of its diagonals is 6.5cm long. Then, find the area of the parallelogram.

Which of the following is a bar graph?

What will be the height of a cuboid of volume 168 m3, if the area of its base is 28 m2?

PQRS is a parallelogram QM is the height from Q to SR and QN is the height from Q to PS. If SR = 12 cm and QM = 7.6 cm. Find QN, if PS = 8 cm

If n+5∑r=6(r−5)3=[p(p−1)2]2 is true for n∈N, then p=(use principle of mathematical induction)

The class mark of the class with the highest frequency is

40% of ? = 240 (a) 60 (b) 600 (c) 6000 (d) 960

When S.P=Rs. 750, C.P=Rs. 600. Find gain percent.

Manjit bought an iron safe for ₹ 12160 and paid ₹ 340 for its transportation. Then, he sold it for ₹ 12875. Find his gain per cent

Question 124(i) Name the property used in each of the following: −711×−35=−35×−711

Prove the following trigonometric identities.1+cosAsin2A=11-cosA

Find the value of 4 × 3 on a number line.12

Question 97(i)The following pie chart depicts the expenditure of a state government under different heads :If the total spending is 10 crore, how much money was spent on roads ?

If the digit 1 is placed after a two digit number whose tens digit is ‘t’ and units digit is ‘u’, which of these options represents the new number?

The reciprocal of 27×15 is _____.

Question 42 Fill in the blank to make statement true. The base of a triangular pyramid is a ___.

Evaluate: √6241

Neema moves 4 metres to the west from the starting point in the first trip. Then, she moves 5 metres to the east in the second trip. In the third trip, she moves 10 metres to the west. What is her position with respect to the starting point after the three trips?

Construct Quadrilateral GOLD with OL=7.5 cm, GL= 6 cm, GD = 6 cm, LD = 5 cm, OD = 10 cm.

Manoj buys a leather coat costing Rs. 900 at Rs. 990 after paying the VAT. Calculate the VAT charged on the cost.

Additive inverse of -3/5 is ____ .

In a cylinder, if radius is doubled and height is halved, curved surface area will be _________.

A large circular farm is next to a river. A farmer can fence the farm with an iron wire of length 18.84 m. How much area will be enclosed by the fence (in m2)?

∫ x^2+3/x^6(x^2+1)d

Sort the steps to construct a rhombus AJUN of the diagonals of length AU = 24 cm and JN = 10 cm.

An exterior angle of a triangle is 120° and one of the interior opposite angles is 30°. Find the other angles of the triangle.

Which of the following should be the THIRD sentence after rearrangement?

745 students have to be arranged in equal to the number of rows and columns to form a square. Find the number of rows/columns, if 16 students are left out after the arrangement.

External and internal diameters of hollow cylinder are (3.23±0.1) and (2.89±0.1)cm. Thikness of wall of cylinder is

Answer each of the following questions in one word or one sentence or as per exact requirement of the question:Write the distance of a point P(a, b, c) from x-axis.