25365 + Interview Questions in Mathematics Page 258 InterviewSolution

12851.	If 18 dolls cost ₹630, how many dolls can be bought for ₹455?
Answer» If 18 dolls cost ₹630, how many dolls can be bought for ₹455?

Discussion

12852.	If a = 3, b = 4, c = 3, then find the value of a×b+a×c using distributivity of multiplication.21
Answer» If a = 3, b = 4, c = 3, then find the value of $a \times b + a \times c$ using distributivity of multiplication. 21

Discussion

12853.	Is there any other way to prove angle sum property of triangle except by parallel line property and exterior angle property?
Answer» Is there any other way to prove angle sum property of triangle except by parallel line property and exterior angle property?

Discussion

12854.	Draw a number line and answer the following:Which number will we reach if we move 5 numbers to the left of 1? [1 mark]
Answer» Draw a number line and answer the following: Which number will we reach if we move 5 numbers to the left of 1? [1 mark]

12854.

Draw a number line and answer the following:Which number will we reach if we move 5 numbers to the left of 1? [1 mark]

Answer»

Draw a number line and answer the following:

Which number will we reach if we move 5 numbers to the left of 1? [1 mark]

Discussion

12855.	If the capacity of a cylindrical tank is 1848 m3 and the diameter of its base is 14 m,the depth of the tank is (a) 8 m (b) 12 m (c) 16 m (d) 18 m
Answer» If the capacity of a cylindrical tank is $1848 m^{3}$ and the diameter of its base is 14 m,the depth of the tank is (a) 8 m (b) 12 m (c) 16 m (d) 18 m

12855.

If the capacity of a cylindrical tank is 1848 m3 and the diameter of its base is 14 m,the depth of the tank is (a) 8 m (b) 12 m (c) 16 m (d) 18 m

Answer»

If the capacity of a cylindrical tank is $1848 m^{3}$ and the diameter of its base is 14 m,the depth of the tank is

(a) 8 m

(b) 12 m

(c) 16 m

(d) 18 m

Discussion

12856.	What will be the area of quarter of a pizza having 28 cm diameter ?
Answer» What will be the area of quarter of a pizza having 28 cm diameter ?

Discussion

12857.	The pie-chart given in figure shows the annual agricultural production of an Indian state. If the total production of all the commodities is 81000 tonnes, find the production (in tonnes) of (i) Wheat (ii) Sugar (iii) Rice (iv) Maize (v) Gram
Answer» The pie-chart given in figure shows the annual agricultural production of an Indian state. If the total production of all the commodities is 81000 tonnes, find the production (in tonnes) of (i) Wheat (ii) Sugar (iii) Rice (iv) Maize (v) Gram

12857.

The pie-chart given in figure shows the annual agricultural production of an Indian state. If the total production of all the commodities is 81000 tonnes, find the production (in tonnes) of (i) Wheat (ii) Sugar (iii) Rice (iv) Maize (v) Gram

Answer»

The pie-chart given in figure shows the annual agricultural production of an Indian state. If the total production of all the commodities is 81000 tonnes, find the production (in tonnes) of

(i) Wheat

(ii) Sugar

(iii) Rice

(iv) Maize

(v) Gram

Discussion

12858.	Evaluate: (i) 5−2 (ii) (−3)−2 (iii) (13)−4 (iv) (−12)−1
Answer» Evaluate: $(i) 5^{- 2} (i i) (- 3)^{- 2} (i i i) {(\frac{1}{3})}^{- 4} (i v) {(\frac{- 1}{2})}^{- 1}$

12858.

Evaluate: (i) 5−2 (ii) (−3)−2 (iii) (13)−4 (iv) (−12)−1

Answer»

Evaluate:

$(i) 5^{- 2} (i i) (- 3)^{- 2} (i i i) {(\frac{1}{3})}^{- 4} (i v) {(\frac{- 1}{2})}^{- 1}$

Discussion

12859.	Question 31In the following question, out of the four options, only one is correct. Write the correct answer.For a non-zero rational numberz,(z−2)3 is equal to:(a) z6(b) z−6(c) z1(d) z4
Answer» Question 31 In the following question, out of the four options, only one is correct. Write the correct answer. For a non-zero rational number $z, (z^{- 2})^{3}$ is equal to: (a) $z^{6}$ (b) $z^{- 6}$ (c) $z^{1}$ (d) $z^{4}$

12859.

Question 31In the following question, out of the four options, only one is correct. Write the correct answer.For a non-zero rational numberz,(z−2)3 is equal to:(a) z6(b) z−6(c) z1(d) z4

Answer»

Question 31

In the following question, out of the four options, only one is correct. Write the correct answer.

For a non-zero rational number $z, (z^{- 2})^{3}$ is equal to:

(a) $z^{6}$

(b) $z^{- 6}$

(c) $z^{1}$

(d) $z^{4}$

Discussion

12860.	A, B and C can do a piece of work in 10 days, 12 days and 15 days respectively. How long will they take to finish it if they work together?
Answer» A, B and C can do a piece of work in 10 days, 12 days and 15 days respectively. How long will they take to finish it if they work together?

Discussion

12861.	Construct an isosceles triangle XYZ in which base YZ = 5.8 cm and altitude from X on YZ is 3.8 cm.
Answer» Construct an isosceles triangle XYZ in which base YZ = 5.8 cm and altitude from X on YZ is 3.8 cm.

Discussion

12862.	Trouvez le contraire du texte.
Answer» Trouvez le contraire du texte.

Discussion

12863.	Question 28 When the speed remains constant, the distance travelled is___proportional to the time.
Answer» Question 28 When the speed remains constant, the distance travelled is___proportional to the time.

12863.

Question 28 When the speed remains constant, the distance travelled is___proportional to the time.

Answer»

Question 28

When the speed remains constant, the distance travelled is___proportional to the time.

Discussion

12864.	Solve the following equations : (x−1)(x+6)−(x−2)(x−3)=3
Answer» Solve the following equations : $(x - 1) (x + 6) - (x - 2) (x - 3) = 3$

12864.

Solve the following equations : (x−1)(x+6)−(x−2)(x−3)=3

Answer»

Solve the following equations :

$(x - 1) (x + 6) - (x - 2) (x - 3) = 3$

Discussion

12865.	If x2+1x2 =102, then x-1x =(a) 8(b) 10(c) 12(d) 13
Answer» If $x^{2} + \frac{1}{x^{2}} = 102$ , then $x - \frac{1}{x}$ = (a) 8 (b) 10 (c) 12 (d) 13

Discussion

12866.	The product of m square and n is subtracted from the product of five and p is equivelent to
Answer» The product of m square and n is subtracted from the product of five and p is equivelent to

Discussion

12867.	Evaluate 42×23.
Answer» Evaluate $4^{2} \times 2^{3}$ .

Discussion

12868.	Arrange the numbers in decending order: √81,√27,1√3,√3
Answer» Arrange the numbers in decending order: $\sqrt{81}, \sqrt{27}, \frac{1}{\sqrt{3}}, \sqrt{3}$

Discussion

12869.	Find the cube root of 681492.
Answer» Find the cube root of 681492.

Discussion

12870.	Question 62Complete the table given below:
Answer» Question 62 Complete the table given below:

Discussion

12871.	The perimeter of a triangle is 14.4 cm and the ratio of lengths of its side is 2 : 3 : 4. Construct the triangle.
Answer» The perimeter of a triangle is 14.4 cm and the ratio of lengths of its side is 2 : 3 : 4. Construct the triangle.

Discussion

12872.	Given below are the ages of 25 students of class in a school. Prepare a tally chart from the given data.15161614171716151516161715161614161516161514141515
Answer» Given below are the ages of 25 students of class in a school. Prepare a tally chart from the given data. $\begin{matrix} 15 & 16 & 16 & 14 & 17 & 17 & 16 & 15 & 15 & 16 & 16 & 17 & 15 16 & 16 & 14 & 16 & 15 & 16 & 16 & 15 & 14 & 14 & 15 & 15 \end{matrix}$

Discussion

12873.	Question 90Fill in the blanks to make the statements true.In trapezium ABCD with AB∥CD, if ∠A=100∘, then ∠D= ___.
Answer» Question 90 Fill in the blanks to make the statements true. In trapezium ABCD with $A B ∥ C D$ , if $∠ A = 100^{\circ}$ , then $∠ D =$ ___.

Discussion

12874.	In a parallelogram, the ___ bisect each other.
Answer» In a parallelogram, the ___ bisect each other.

Discussion

12875.	The number of integers of the form 3AB4, where A, B denote some digits, which are divisible by 11 is A. 0 B. 4 C. 7 D. 9
Answer» The number of integers of the form 3AB4, where A, B denote some digits, which are divisible by 11 is A. 0 B. 4 C. 7 D. 9

12875.

The number of integers of the form 3AB4, where A, B denote some digits, which are divisible by 11 is A. 0 B. 4 C. 7 D. 9

Answer»

The number of integers of the form 3AB4, where A, B denote some digits, which are divisible by 11 is

A. 0

B. 4

C. 7

D. 9

Discussion

12876.	By which number should 1235567 should be multiply to get perfect cube??
Answer» By which number should 1235567 should be multiply to get perfect cube??

Discussion

12877.	A number "p" exists such that it is the square of a number "q". If "p"> 400, "q" can be
Answer» A number "p" exists such that it is the square of a number "q". If "p" $>$ 400, "q" can be

Discussion

12878.	Question 71 ___ is a regular quadrilateral.
Answer» Question 71 ___ is a regular quadrilateral.

Discussion

12879.	Given that the minor arc subtends an angle θ at the centre of the circle, the arc length of the major sector can be written as
Answer» Given that the minor arc subtends an angle $θ$ at the centre of the circle, the arc length of the major sector can be written as

Discussion

12880.	Match the values with the corresponding laws of exponents.
Answer» Match the values with the corresponding laws of exponents.

Discussion

12881.	If x^y = y^x, then(x/y)^x/y is equal to
Answer» If x^y = y^x, then(x/y)^x/y is equal to

Discussion

12882.	The quotient when pq2+ 5pq+6p is divided by pq+2p is
Answer» The quotient when p $q^{2}$ + 5pq+6p is divided by pq+2p is

Discussion

12883.	If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that there are two answers for the last problem. Why is this so?
Answer» If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that there are two answers for the last problem. Why is this so?

12883.

If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that there are two answers for the last problem. Why is this so?

Answer»

If 31z5 is a
multiple of 9, where z is a digit, what is the value of z?

You
will find that there are two answers for the last problem. Why is
this so?

Discussion

12884.	Solve and find the additive inverse of the following:(i)[(−7)×(−24)]÷[7−3](ii)(−4)+(−18)÷(−4)−3×(−2)
Answer» Solve and find the additive inverse of the following: $(i) [(- 7) \times (- 24)] \div [7 - 3]$ $(i i) (- 4) + (- 18) \div (- 4) - 3 \times (- 2)$

Discussion

12885.	One diagonal of a quadrilateral is 35 centimetres long and the perpendiculars to it from the opposite vertices are 15 centimetres and 19 centimetres long. What is the area of this quadrilateral?
Answer» One diagonal of a quadrilateral is 35 centimetres long and the perpendiculars to it from the opposite vertices are 15 centimetres and 19 centimetres long. What is the area of this quadrilateral?

12885.

One diagonal of a quadrilateral is 35 centimetres long and the perpendiculars to it from the opposite vertices are 15 centimetres and 19 centimetres long. What is the area of this quadrilateral?

Answer»

One diagonal of a quadrilateral is 35 centimetres long and the perpendiculars to it from the opposite vertices are 15 centimetres and 19 centimetres long. What is the area of this quadrilateral?

Discussion

12886.	∫ex(x2+1)(x+1)2dx is equal to
Answer» $\int e^{x} \frac{(x^{2} + 1)}{{(x + 1)}^{2}} d x$ is equal to

Discussion

12887.	Which of the following is the top view of the given figure?
Answer» Which of the following is the top view of the given figure?

Discussion

12888.	In the figure, there are ___ angles and they are ___, ___, and ____.
Answer» In the figure, there are ___ angles and they are ___, ___, and ____.

12888.

In the figure, there are _ angles and they are _, _, and __.

Answer»

In the figure, there are ___ angles and they are ___, ___, and ____.

Discussion

12889.	In decimal number 17.58, decimal part is
Answer» In decimal number 17.58, decimal part is

Discussion

12890.	Why we take factors of integral rational no. only integers but for fractional rational no. we take both integer and fractional factors
Answer» Why we take factors of integral rational no. only integers but for fractional rational no. we take both integer and fractional factors

Discussion

12891.	Question 103Brinda purchased 18 coats at the rate of Rs 1500 each and sold them at a profit of 6%. If a customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer and what will be the total profit earned by Brinda after selling all coats?
Answer» Question 103 Brinda purchased 18 coats at the rate of Rs 1500 each and sold them at a profit of 6%. If a customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer and what will be the total profit earned by Brinda after selling all coats?

12891.

Question 103Brinda purchased 18 coats at the rate of Rs 1500 each and sold them at a profit of 6%. If a customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer and what will be the total profit earned by Brinda after selling all coats?

Answer»

Question 103

Brinda purchased 18 coats at the rate of Rs 1500 each and sold them at a profit of 6%. If a customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer and what will be the total profit earned by Brinda after selling all coats?

Discussion

12892.	What is the GCD of 90,150,225?
Answer» What is the GCD of 90,150,225?

Discussion

12893.	How many hexagons are there in the figure given below?
Answer» How many hexagons are there in the figure given below?

Discussion

12894.	Select appropriate articles for the blanks. _____ clauses in the agreement were read and reread before asking _____ members to vote.
Answer» Select appropriate articles for the blanks. _____ clauses in the agreement were read and reread before asking _____ members to vote.

12894.

Select appropriate articles for the blanks. _ clauses in the agreement were read and reread before asking _ members to vote.

Answer»

Select appropriate articles for the blanks.

_____ clauses in the agreement were read and reread before asking _____ members to vote.

Discussion

12895.	Find ten rational numbers between −25 and 12.
Answer» Find ten rational numbers between $\frac{- 2}{5} a n d \frac{1}{2}$ .

Discussion

12896.	find the factors of (1−x−x2+x3)
Answer» find the factors of $(1 - x - x^{2} + x^{3})$

Discussion

12897.	On dividing (5x4 + 7x3 + 2x2 – 3x + 5) by (x + 3), we get the quotient as
Answer» On dividing (5x4 + 7x3 + 2x2 – 3x + 5) by (x + 3), we get the quotient as

Discussion

12898.	Question 6The equation x = 7, in two variables, can be written as:A) 1.x + 1.y = 7B) 1.x + 0.y = 7C) 0.x + 1.y = 7D) 1.x - 1.y = 7
Answer» Question 6 The equation x = 7, in two variables, can be written as: A) 1.x + 1.y = 7 B) 1.x + 0.y = 7 C) 0.x + 1.y = 7 D) 1.x - 1.y = 7

Discussion

12899.	4 men or 5 women can construct a wall in 82 days. How long will it take for 5 men and 4 women to do the same?
Answer» 4 men or 5 women can construct a wall in 82 days. How long will it take for 5 men and 4 women to do the same?

Discussion

12900.	The units digit in the expansion of 163 is___
Answer» The units digit in the expansion of $16^{3}$ is ___

Discussion

Explore topic-wise InterviewSolutions in .

If 18 dolls cost ₹630, how many dolls can be bought for ₹455?

If a = 3, b = 4, c = 3, then find the value of a×b+a×c using distributivity of multiplication.21

Is there any other way to prove angle sum property of triangle except by parallel line property and exterior angle property?

Draw a number line and answer the following:Which number will we reach if we move 5 numbers to the left of 1? [1 mark]

If the capacity of a cylindrical tank is 1848 m3 and the diameter of its base is 14 m,the depth of the tank is (a) 8 m (b) 12 m (c) 16 m (d) 18 m

What will be the area of quarter of a pizza having 28 cm diameter ?

The pie-chart given in figure shows the annual agricultural production of an Indian state. If the total production of all the commodities is 81000 tonnes, find the production (in tonnes) of (i) Wheat (ii) Sugar (iii) Rice (iv) Maize (v) Gram

Evaluate: (i) 5−2 (ii) (−3)−2 (iii) (13)−4 (iv) (−12)−1

Question 31In the following question, out of the four options, only one is correct. Write the correct answer.For a non-zero rational numberz,(z−2)3 is equal to:(a) z6(b) z−6(c) z1(d) z4

A, B and C can do a piece of work in 10 days, 12 days and 15 days respectively. How long will they take to finish it if they work together?

Construct an isosceles triangle XYZ in which base YZ = 5.8 cm and altitude from X on YZ is 3.8 cm.

Trouvez le contraire du texte.

Question 28 When the speed remains constant, the distance travelled is___proportional to the time.

Solve the following equations : (x−1)(x+6)−(x−2)(x−3)=3

If x2+1x2 =102, then x-1x =(a) 8(b) 10(c) 12(d) 13

The product of m square and n is subtracted from the product of five and p is equivelent to

Evaluate 42×23.

Arrange the numbers in decending order: √81,√27,1√3,√3

Find the cube root of 681492.

Question 62Complete the table given below:

The perimeter of a triangle is 14.4 cm and the ratio of lengths of its side is 2 : 3 : 4. Construct the triangle.

Given below are the ages of 25 students of class in a school. Prepare a tally chart from the given data.15161614171716151516161715161614161516161514141515

Question 90Fill in the blanks to make the statements true.In trapezium ABCD with AB∥CD, if ∠A=100∘, then ∠D= ___.

In a parallelogram, the ___ bisect each other.

The number of integers of the form 3AB4, where A, B denote some digits, which are divisible by 11 is A. 0 B. 4 C. 7 D. 9

By which number should 1235567 should be multiply to get perfect cube??

A number "p" exists such that it is the square of a number "q". If "p"&gt; 400, "q" can be

Question 71 ___ is a regular quadrilateral.

Given that the minor arc subtends an angle θ at the centre of the circle, the arc length of the major sector can be written as

Match the values with the corresponding laws of exponents.

If x^y = y^x, then(x/y)^x/y is equal to

The quotient when pq2+ 5pq+6p is divided by pq+2p is

If 31z5 is a multiple of 9, where z is a digit, what is the value of z? You will find that there are two answers for the last problem. Why is this so?

Solve and find the additive inverse of the following:(i)[(−7)×(−24)]÷[7−3](ii)(−4)+(−18)÷(−4)−3×(−2)

One diagonal of a quadrilateral is 35 centimetres long and the perpendiculars to it from the opposite vertices are 15 centimetres and 19 centimetres long. What is the area of this quadrilateral?

∫ex(x2+1)(x+1)2dx is equal to

Which of the following is the top view of the given figure?

In the figure, there are ___ angles and they are ___, ___, and ____.

In decimal number 17.58, decimal part is

Why we take factors of integral rational no. only integers but for fractional rational no. we take both integer and fractional factors

Question 103Brinda purchased 18 coats at the rate of Rs 1500 each and sold them at a profit of 6%. If a customer is to pay sales tax at the rate of 4%, how much will one coat cost to the customer and what will be the total profit earned by Brinda after selling all coats?

What is the GCD of 90,150,225?

How many hexagons are there in the figure given below?

Select appropriate articles for the blanks. _____ clauses in the agreement were read and reread before asking _____ members to vote.

Find ten rational numbers between −25 and 12.

find the factors of (1−x−x2+x3)

On dividing (5x4 + 7x3 + 2x2 – 3x + 5) by (x + 3), we get the quotient as

Question 6The equation x = 7, in two variables, can be written as:A) 1.x + 1.y = 7B) 1.x + 0.y = 7C) 0.x + 1.y = 7D) 1.x - 1.y = 7

4 men or 5 women can construct a wall in 82 days. How long will it take for 5 men and 4 women to do the same?

The units digit in the expansion of 163 is___

A number "p" exists such that it is the square of a number "q". If "p"> 400, "q" can be

In the figure, there are _ angles and they are _, _, and __.

Select appropriate articles for the blanks. _ clauses in the agreement were read and reread before asking _ members to vote.