19743 + Interview Questions in Mathematics Page 16 InterviewSolution

751.	Find the square root of 576 using prime factorisation method.
Answer» Find the square root of 576 using prime factorisation method.

Discussion

752.	Which number must be multiplied with 572 to make it divisible by 10?
Answer» Which number must be multiplied with $572$ to make it divisible by $10 ?$

Discussion

753.	a : b and c : d is in inverse proportion. Express this in direct proportion.
Answer» a : b and c : d is in inverse proportion. Express this in direct proportion.

Discussion

754.	Factorize : 12a2−8 b2
Answer» Factorize : $\frac{1}{2} a^{2} - 8 b^{2}$

Discussion

755.	The domain and range of real function f defined by fx=x-1 is given by(a) Domain = (1, ∞), Range = (0, ∞)(b) Domain = [1, ∞), Range =(0, ∞)(c) Domain = [1, ∞), Range = [0, ∞)(d) Domain = [1, ∞), Range = [0, ∞)
Answer» The domain and range of real function f defined by $f (x) = \sqrt{x - 1}$ is given by (a) Domain = (1, ∞), Range = (0, ∞) (b) Domain = [1, ∞), Range =(0, ∞) (c) Domain = [1, ∞), Range = [0, ∞) (d) Domain = [1, ∞), Range = [0, ∞)

Discussion

756.	[(-45) ÷ 5] ÷ [(-3) + (-6)] + [(-7) x (2)]
Answer» [(-45) ÷ 5] ÷ [(-3) + (-6)] + [(-7) x (2)]

Discussion

757.	Find thearea of the following circles, given that:(a) radius= 14 mm (Takeπ) (b) diameter= 49 m(c) radius= 5 cm
Answer» Find the area of the following circles, given that: (a) radius = 14 mm (Takeπ) (b) diameter = 49 m (c) radius = 5 cm

757.

Find thearea of the following circles, given that:(a) radius= 14 mm (Takeπ) (b) diameter= 49 m(c) radius= 5 cm

Answer»

Find the
area of the following circles, given that:

(a) radius
= 14 mm (Takeπ) (b) diameter
= 49 m

(c) radius
= 5 cm

Discussion

758.	(2r+s)×(2t+19u)=
Answer» $(2 r + s) \times (2 t + 19 u) =$

Discussion

759.	After reading 49 of a book, 30 pages are left. How many pages are there in the book? __
Answer» After reading $\frac{4}{9}$ of a book, 30 pages are left. How many pages are there in the book? __

Discussion

760.	If side of each square is 1 cm long, what is the perimeter of the given figure? 18
Answer» If side of each square is 1 cm long, what is the perimeter of the given figure? 18

Discussion

761.	In the given figure, POQ is a line, then the valie of 'x' is
Answer» In the given figure, POQ is a line, then the valie of 'x' is

Discussion

762.	The number of triangles that can be formed by 5 points in a line and 3 points on a parallel line i
Answer» The number of triangles that can be formed by 5 points in a line and 3 points on a parallel line i

Discussion

763.	Sum of all numbers, which are both multiple of 25 and factor of 100, is .
Answer» Sum of all numbers, which are both multiple of 25 and factor of 100, is .

Discussion

764.	The value of 3×(5)13×7×(10)13×5×(20)13 is
Answer» The value of $3 \times (5)^{\frac{1}{3}} \times 7 \times (10)^{\frac{1}{3}} \times 5 \times (20)^{\frac{1}{3}}$ is

Discussion

765.

The number of saplings planted by schools on World Tree Day is given in the table below. Draw a joint bar graph to show these figures. School Name Name of sapling Almond Karanj Neem Ashok Gulmohar Nutan Vidyalaya 40 60 72 15 42 Bharat Vidyalaya 42 38 60 25 40

Answer» The number of saplings planted by schools on World Tree Day is given in the table below. Draw a joint bar graph to show these figures.

School Name	Name of sapling	Almond	Karanj	Neem	Ashok	Gulmohar
Nutan Vidyalaya		40	60	72	15	42
Bharat Vidyalaya		42	38	60	25	40

Discussion

766.	is the standard form of 36100.
Answer» is the standard form of $\frac{36}{100}$ .

Discussion

767.	Nimmi was asked to solve all these questions by her teacher. (i) 2+35(ii) 5+15(iii) 1+45Help her solve these questions.
Answer» Nimmi was asked to solve all these questions by her teacher. (i) $2 + \frac{3}{5}$ (ii) $5 + \frac{1}{5}$ (iii) $1 + \frac{4}{5}$ Help her solve these questions.

Discussion

768.	Actual length of a rope is 22.5 m but it is wrongly measured as 21.6 m. Find the percentage error.
Answer» Actual length of a rope is 22.5 m but it is wrongly measured as 21.6 m. Find the percentage error.

Discussion

769.	The statement p⇒(q⇒p) is equivalent to
Answer» The statement $p \Rightarrow (q \Rightarrow p)$ is equivalent to

Discussion

770.

Students planted trees in 5 villages of Sangli district. Make a bar graph of this data. (Scale : on Y - axis, 1cm = 100 trees) Name of place Dudhgaon Bagni Samdoli Ashta Kavathepiran No. of trees planted 500 350 600 420 540

Answer» Students planted trees in 5 villages of Sangli district. Make a bar graph of this data. (Scale : on Y - axis, 1cm = 100 trees)

Name of place	Dudhgaon	Bagni	Samdoli	Ashta	Kavathepiran
No. of trees planted	500	350	600	420	540

Discussion

771.	If B's age > A's age and C's age < B's age, then who is the oldest amongst A, B and C?
Answer» If B's age > A's age and C's age < B's age, then who is the oldest amongst A, B and C?

Discussion

772.	After simplification, 13151313 is(a) 13215(b) 13815(c) 1313(d) 13-215
Answer» After simplification, $\frac{13^{\frac{1}{5}}}{13^{\frac{1}{3}}}$ is (a) $13^{\frac{2}{15}}$ (b) $13^{\frac{8}{15}}$ (c) $13^{\frac{1}{3}}$ (d) $13^{\frac{- 2}{15}}$

Discussion

773.	Which direction will you face if you start facing west and makes 34 of a revolution in the anti-clockwise direction?
Answer» Which direction will you face if you start facing west and makes $\frac{3}{4}$ of a revolution in the anti-clockwise direction?

Discussion

774.	Which among the following is not a non - terminating repeating decimal?
Answer» Which among the following is not a non - terminating repeating decimal?

Discussion

775.	Shazli took a wire of length 44 cm and bent it into the shape of a circle. Find the area of the circle. If the same wire is bent into the shape of a square, what will be the area of the square? (Take π =227)
Answer» Shazli took a wire of length 44 cm and bent it into the shape of a circle. Find the area of the circle. If the same wire is bent into the shape of a square, what will be the area of the square? (Take π = $\frac{22}{7}$ )

Discussion

776.	What shape is a brick?
Answer» What shape is a brick?

Discussion

777.	If C = πd, then what is the value of d?
Answer» If C = πd, then what is the value of d?

Discussion

778.	Factorise:4y2−9
Answer» Factorise: $4 y^{2} - 9$

Discussion

779.	49 What is value of cot15^° ?
Answer» 49 What is value of cot15^° ?

Discussion

780.	1y−100= _____
Answer» $\frac{1}{y^{- 100}} =$ _____

Discussion

781.	I went to a shop with constant speed of 30m/s and came back with 20m/s what is my average speed of travel?
Answer» I went to a shop with constant speed of 30m/s and came back with 20m/s what is my average speed of travel?

Discussion

782.	Draw a line segment of length 12.8 cm. Using compasses, divide it into four equal parts. Verify by actual measurement
Answer» Draw a line segment of length 12.8 cm. Using compasses, divide it into four equal parts. Verify by actual measurement

Discussion

783.	Find:(a) 15%of 250 (b) 1% of 1 hour (c) 20% ofRs 2500 (d) 75% of 1 kg
Answer» Find: (a) 15% of 250 (b) 1% of 1 hour (c) 20% of Rs 2500 (d) 75% of 1 kg

783.

Find:(a) 15%of 250 (b) 1% of 1 hour (c) 20% ofRs 2500 (d) 75% of 1 kg

Answer»

Find:

(a) 15%
of 250 (b) 1% of 1 hour

(c) 20% of
Rs 2500 (d) 75% of 1 kg

Discussion

784.	What is mean by 10 power -6m ?
Answer» What is mean by 10 power -6m ?

Discussion

785.	Select the correct reflection transformation for the given figure along x-axis.
Answer» Select the correct reflection transformation for the given figure along x-axis.

Discussion

786.	In the bar chart below, you have the sales of bikes from ABC company. What is the difference of sales in April and June? Here the horizontal axis is x-axis which represents months and vertical axis is y-axis which represents number of bikes sold. The scale for x axis is 1 cm = 1 month and y-axis 1 cm = 5 bikes.
Answer» In the bar chart below, you have the sales of bikes from ABC company. What is the difference of sales in April and June? Here the horizontal axis is x-axis which represents months and vertical axis is y-axis which represents number of bikes sold. The scale for x axis is 1 cm = 1 month and y-axis 1 cm = 5 bikes.

786.

In the bar chart below, you have the sales of bikes from ABC company. What is the difference of sales in April and June? Here the horizontal axis is x-axis which represents months and vertical axis is y-axis which represents number of bikes sold. The scale for x axis is 1 cm = 1 month and y-axis 1 cm = 5 bikes.

Answer»

In the bar chart below, you have the sales of bikes from ABC company. What is the difference of sales in April and June?
Here the horizontal axis is x-axis which represents months and vertical axis is y-axis which represents number of bikes sold. The scale for x axis is 1 cm = 1 month and y-axis 1 cm = 5 bikes.

Discussion

787.	The area of a square field is 36 m2. A path of uniform width is laid around and outside of it. If the area of the path is 28 m2, then find the width of the path.
Answer» The area of a square field is 36 m². A path of uniform width is laid around and outside of it. If the area of the path is 28 m², then find the width of the path.

Discussion

788.	What do we get on adding 20 to 30?
Answer» What do we get on adding 20 to 30?

Discussion

789.	How many whole numbers are there from (0) to (+3) on number line
Answer» How many whole numbers are there from (0) to (+3) on number line

Discussion

790.	What is the perimeter of the triangle ?
Answer» What is the perimeter of the triangle ?

Discussion

791.	Write a Pythagorean triplet whose smallest number is 8
Answer» Write a Pythagorean triplet whose smallest number is 8

Discussion

792.	कृष्ण के प्रति अपने अनन्य प्रेम को गोपियों ने किस प्रकार अभिव्यक्त किया है?
Answer» कृष्ण के प्रति अपने अनन्य प्रेम को गोपियों ने किस प्रकार अभिव्यक्त किया है?

Discussion

793.	If three unbiased coins are tossed at a time, then the probability of getting atmost one head is
Answer» If three unbiased coins are tossed at a time, then the probability of getting atmost one head is

Discussion

794.	Calculate the distance travelled in each of the following.A vehicle moves 10m, in 5 seconds. Find the distance moved by it in hours.
Answer» Calculate the distance travelled in each of the following. A vehicle moves 10m, in 5 seconds. Find the distance moved by it in hours.

794.

Calculate the distance travelled in each of the following.A vehicle moves 10m, in 5 seconds. Find the distance moved by it in hours.

Answer»

Calculate the distance travelled in each of the following.

A vehicle moves 10m, in 5 seconds. Find the distance moved by it in hours.

Discussion

795.	Vasudevan invested ₹60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get(A) After 6 months(B) After 1 year
Answer» Vasudevan invested ₹60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get (A) After 6 months (B) After 1 year

Discussion

796.	A number exceeds the other number by 12. If their sum is 72,find the numbers
Answer» A number exceeds the other number by 12. If their sum is 72,find the numbers

Discussion

797.	An object travels at 50 m s−1 for the first 2 seconds and travels at 70 m s−1 for the next 2 seconds. What is its average speed for the first 4 seconds?
Answer» An object travels at $50 {m s}^{- 1}$ for the first $2$ seconds and travels at $70 {m s}^{- 1}$ for the next $2$ seconds. What is its average speed for the first $4$ seconds?

Discussion

798.	i am 10cm shoter than my father. can you write this as an equation
Answer» i am 10cm shoter than my father. can you write this as an equation

Discussion

799.	How does 1.5km has changed into 1500m?
Answer» How does 1.5km has changed into 1500m?

Discussion

800.	If P = {4, 5, 6, 7, 8, 9}, Q = {2, 3, 4}, R = {4, 5, 8} then .
Answer» If P = {4, 5, 6, 7, 8, 9}, Q = {2, 3, 4}, R = {4, 5, 8} then .

Discussion

Explore topic-wise InterviewSolutions in .

Find the square root of 576 using prime factorisation method.

Which number must be multiplied with 572 to make it divisible by 10?

a : b and c : d is in inverse proportion. Express this in direct proportion.

Factorize : 12a2−8 b2

The domain and range of real function f defined by fx=x-1 is given by(a) Domain = (1, ∞), Range = (0, ∞)(b) Domain = [1, ∞), Range =(0, ∞)(c) Domain = [1, ∞), Range = [0, ∞)(d) Domain = [1, ∞), Range = [0, ∞)

[(-45) ÷ 5] ÷ [(-3) + (-6)] + [(-7) x (2)]

Find thearea of the following circles, given that:(a) radius= 14 mm (Takeπ) (b) diameter= 49 m(c) radius= 5 cm

(2r+s)×(2t+19u)=

After reading 49 of a book, 30 pages are left. How many pages are there in the book? __

If side of each square is 1 cm long, what is the perimeter of the given figure? 18

In the given figure, POQ is a line, then the valie of 'x' is

The number of triangles that can be formed by 5 points in a line and 3 points on a parallel line i

Sum of all numbers, which are both multiple of 25 and factor of 100, is .

The value of 3×(5)13×7×(10)13×5×(20)13 is

The number of saplings planted by schools on World Tree Day is given in the table below. Draw a joint bar graph to show these figures. School Name Name of sapling Almond Karanj Neem Ashok Gulmohar Nutan Vidyalaya 40 60 72 15 42 Bharat Vidyalaya 42 38 60 25 40

is the standard form of 36100.

Nimmi was asked to solve all these questions by her teacher. (i) 2+35(ii) 5+15(iii) 1+45Help her solve these questions.

Actual length of a rope is 22.5 m but it is wrongly measured as 21.6 m. Find the percentage error.

The statement p⇒(q⇒p) is equivalent to

Students planted trees in 5 villages of Sangli district. Make a bar graph of this data. (Scale : on Y - axis, 1cm = 100 trees) Name of place Dudhgaon Bagni Samdoli Ashta Kavathepiran No. of trees planted 500 350 600 420 540

If B's age &gt; A's age and C's age &lt; B's age, then who is the oldest amongst A, B and C?

After simplification, 13151313 is(a) 13215(b) 13815(c) 1313(d) 13-215

Which direction will you face if you start facing west and makes 34 of a revolution in the anti-clockwise direction?

Which among the following is not a non - terminating repeating decimal?

Shazli took a wire of length 44 cm and bent it into the shape of a circle. Find the area of the circle. If the same wire is bent into the shape of a square, what will be the area of the square? (Take π =227)

What shape is a brick?

If C = πd, then what is the value of d?

Factorise:4y2−9

49 What is value of cot15^° ?

1y−100= _____

I went to a shop with constant speed of 30m/s and came back with 20m/s what is my average speed of travel?

Draw a line segment of length 12.8 cm. Using compasses, divide it into four equal parts. Verify by actual measurement

Find:(a) 15%of 250 (b) 1% of 1 hour (c) 20% ofRs 2500 (d) 75% of 1 kg

What is mean by 10 power -6m ?

Select the correct reflection transformation for the given figure along x-axis.

The area of a square field is 36 m2. A path of uniform width is laid around and outside of it. If the area of the path is 28 m2, then find the width of the path.

What do we get on adding 20 to 30?

How many whole numbers are there from (0) to (+3) on number line

What is the perimeter of the triangle ?

Write a Pythagorean triplet whose smallest number is 8

कृष्ण के प्रति अपने अनन्य प्रेम को गोपियों ने किस प्रकार अभिव्यक्त किया है?

If three unbiased coins are tossed at a time, then the probability of getting atmost one head is

Calculate the distance travelled in each of the following.A vehicle moves 10m, in 5 seconds. Find the distance moved by it in hours.

Vasudevan invested ₹60,000 at an interest rate of 12% per annum compounded half yearly. What amount would he get(A) After 6 months(B) After 1 year

A number exceeds the other number by 12. If their sum is 72,find the numbers

An object travels at 50 m s−1 for the first 2 seconds and travels at 70 m s−1 for the next 2 seconds. What is its average speed for the first 4 seconds?

i am 10cm shoter than my father. can you write this as an equation

How does 1.5km has changed into 1500m?

If P = {4, 5, 6, 7, 8, 9}, Q = {2, 3, 4}, R = {4, 5, 8} then .

If B's age > A's age and C's age < B's age, then who is the oldest amongst A, B and C?