19743 + Interview Questions in Mathematics Page 63 InterviewSolution

3101.	Which of the following shapes has maximum number of lines of symmetry?
Answer» Which of the following shapes has maximum number of lines of symmetry?

Discussion

3102.	A bag contains blue balls, red balls, and green balls. The number of red balls in the bag is 3 more than the number of blue balls, whereas the number of green balls is thrice the number of red balls. If the total number of balls is 27, find the number of green balls.
Answer» A bag contains blue balls, red balls, and green balls. The number of red balls in the bag is $3$ more than the number of blue balls, whereas the number of green balls is thrice the number of red balls. If the total number of balls is $27$ , find the number of green balls.

Discussion

3103.	24u2v3w × 8vw =
Answer» $24 u^{2} v^{3} w \times 8 v w =$

Discussion

3104.	Solve the following equation: 52x=254
Answer» Solve the following equation: $\frac{5}{2} x = \frac{25}{4}$

Discussion

3105.	If an amount of $ 640 is borrowed at a simple rate of 15 %, then calcuate the final amount to be repaid after a period of 2 year (in dollars). 832
Answer» If an amount of $$ 640$ is borrowed at a simple rate of $15 %$ , then calcuate the final amount to be repaid after a period of 2 year (in dollars). 832

Discussion

3106.	Ted’s mum made delicious pizza for dinner. Ted invited Ned, his best friend and decided to share the pizza equally with him. What share of pizza would Ted get?
Answer» Ted’s mum made delicious pizza for dinner. Ted invited Ned, his best friend and decided to share the pizza equally with him. What share of pizza would Ted get?

Discussion

3107.	In the given figure, if AB\|\|CD,∠APQ=50∘ and ∠PRD=127∘, then the value of y is.
Answer» In the given figure, if $A B \| \| C D, ∠ A P Q = 50^{\circ} a n d ∠ P R D = 127^{\circ}$ , then the value of y is.

Discussion

3108.	If a line segment of length 20 cm is reflected in a line of symmetry (mirror), then the reflection is a line of length ____ cm.20
Answer» If a line segment of length 20 cm is reflected in a line of symmetry (mirror), then the reflection is a line of length ____ cm. 20

Discussion

3109.	Question 9Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected.If 400 students voted in all, then how many did vote 'Others' colour as their favourite?(a) 6(b) 20(c) 24(d) 40
Answer» Question 9 Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected. If 400 students voted in all, then how many did vote 'Others' colour as their favourite? (a) 6 (b) 20 (c) 24 (d) 40

3109.

Question 9Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected.If 400 students voted in all, then how many did vote 'Others' colour as their favourite?(a) 6(b) 20(c) 24(d) 40

Answer»

Question 9

Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected.

If 400 students voted in all, then how many did vote 'Others' colour as their favourite?

(a) 6

(b) 20

(c) 24

(d) 40

Discussion

3110.	Write the following sets in rule method. L = {summer season, rainy season, winter season}
Answer» Write the following sets in rule method. L = {summer season, rainy season, winter season}

3110.

Write the following sets in rule method. L = {summer season, rainy season, winter season}

Answer»

Write the following sets in rule method.

L = {summer season, rainy season, winter season}

Discussion

3111.	Selling price=Rs. 150000 Gain%=10% What is the cost price?
Answer» Selling price=Rs. 150000 Gain%=10% What is the cost price?

Discussion

3112.	Which of the following is equal to the radius of the circle if the octagon is a regular octagon?
Answer» Which of the following is equal to the radius of the circle if the octagon is a regular octagon?

Discussion

3113.	Arrange the numbers in ascending order 54,23,68,85,92.
Answer» Arrange the numbers in ascending order $\frac{5}{4}, \frac{2}{3}, \frac{6}{8}, \frac{8}{5}, \frac{9}{2} .$

Discussion

3114.	Question 7 5.2 is equal to (a) 52 % (b) 5.2 % (c) 520 % (d) 0.52 %
Answer» Question 7 5.2 is equal to (a) 52 % (b) 5.2 % (c) 520 % (d) 0.52 %

3114.

Question 7 5.2 is equal to (a) 52 % (b) 5.2 % (c) 520 % (d) 0.52 %

Answer»

Question 7

5.2 is equal to
(a) 52 %
(b) 5.2 %
(c) 520 %
(d) 0.52 %

Discussion

3115.	Factorise: a power 4 x square minus 2 a cube x plus a square
Answer» Factorise: $a$ power 4 $x$ square minus 2 $a$ cube $x$ plus $a$ square

Discussion

3116.	The product of two rational numbers is always a ___.
Answer» The product of two rational numbers is always a ___.

Discussion

3117.	Out of 15,000 voters in a constituency, 60% voted. Find the percentage of voters who did not vote. Can you now find how many actually did not vote?
Answer» Out of 15,000 voters in a constituency, $60 %$ voted. Find the percentage of voters who did not vote. Can you now find how many actually did not vote?

Discussion

3118.	A car seller claims that his 1000 kg car can accelerate from rest to a speed of 24 m/s in jst 8.0s find average power of engine of the car
Answer» A car seller claims that his 1000 kg car can accelerate from rest to a speed of 24 m/s in jst 8.0s find average power of engine of the car

Discussion

3119.	In Fig. if x>y, show that LM > LN. [3 MARKS]
Answer» In Fig. if x>y, show that LM > LN. [3 MARKS]

3119.

In Fig. if x>y, show that LM > LN. [3 MARKS]

Answer»

In Fig. if x>y, show that LM > LN. [3 MARKS]

Discussion

3120.	Question 2(c):Write the names of six line segments.
Answer» Question 2(c): Write the names of six line segments.

3120.

Question 2(c):Write the names of six line segments.

Answer»

Question 2(c):

Write the names of six line segments.

Discussion

3121.	For each of the following polynomial, find p1, p0 and p-2.(i) px = x3 (ii) py = y2 -2y + 5 (iii) px = x4 -2x2 - x
Answer» For each of the following polynomial, find $p (1), p (0)$ and $p (- 2)$ . (i) $p (x) = x^{3}$ (ii) $p (y) = y^{2} - 2 y + 5$ (iii) $p (x) = x^{4} - 2 x^{2} - x$

Discussion

3122.	Which of the following is a rational number equal to 47 with 16 as the numerator?
Answer» Which of the following is a rational number equal to $\frac{4}{7}$ with 16 as the numerator?

Discussion

3123.	Which among the following would be equal to 3−5×3−2?
Answer» Which among the following would be equal to $3^{- 5} \times 3^{- 2}$ ?

Discussion

3124.	Find the area of card board required to make a closed box of length 25 cm, breadth 10.5 cm and height 15 cm.
Answer» Find the area of card board required to make a closed box of length 25 cm, breadth 10.5 cm and height 15 cm.

Discussion

3125.	Question 47 Fill in the blanks to make the statement true. We get additive inverse of an integer 'a' when we multiply it by ___.
Answer» Question 47 Fill in the blanks to make the statement true. We get additive inverse of an integer 'a' when we multiply it by ___.

3125.

Question 47 Fill in the blanks to make the statement true. We get additive inverse of an integer 'a' when we multiply it by ___.

Answer»

Question 47

Fill in the blanks to make the statement true.

We get additive inverse of an integer 'a' when we multiply it by ___.

Discussion

3126.	If sin3£=cos(£-6°), where 3£ and (£-6°) are both acute angles, then find the value of £.
Answer» If sin3£=cos(£-6°), where 3£ and (£-6°) are both acute angles, then find the value of £.

Discussion

3127.	From a rectangular sheet of paper, two squares are cut off as shown below:The remaining rectangle should have area 24 squares centimetres. What should be the lengths of the sides of the squares?
Answer» From a rectangular sheet of paper, two squares are cut off as shown below: The remaining rectangle should have area 24 squares centimetres. What should be the lengths of the sides of the squares?

3127.

From a rectangular sheet of paper, two squares are cut off as shown below:The remaining rectangle should have area 24 squares centimetres. What should be the lengths of the sides of the squares?

Answer»

From a rectangular sheet of paper, two squares are cut off as shown below:

The remaining rectangle should have area 24 squares centimetres. What should be the lengths of the sides of the squares?

Discussion

3128.	Q. __4__1__53___ ___3___41 (1) 514322 (2) 513242 (3) 254312 (4) 514225
Answer» Q. __4__1__53___ ___3___41 (1) 514322 (2) 513242 (3) 254312 (4) 514225

Discussion

3129.	A boxcontains pairs of socks of two colours (black and white). I havepicked out a white sock. I pick out one more with my eyes closed.What is the probability that it will make a pair?
Answer» A box contains pairs of socks of two colours (black and white). I have picked out a white sock. I pick out one more with my eyes closed. What is the probability that it will make a pair?

Discussion

3130.	If triangle XYZ is congruent to triangle RPQ then XY= _______ and angle R =___________
Answer» If triangle XYZ is congruent to triangle RPQ then XY= _______ and angle R =___________

Discussion

3131.	Fill in the blank:x3×4xy2×32xy3=_______
Answer» Fill in the blank: $x^{3} \times 4 x y^{2} \times \frac{3}{2} x y^{3} =_______$

Discussion

3132.	In the given figure, the value of 'x' and 'y' is:
Answer» In the given figure, the value of 'x' and 'y' is:

Discussion

3133.	Find the area of circles whose circumference are(1) 88 cm(2) 7π cm
Answer» Find the area of circles whose circumference are (1) 88 cm (2) 7π cm

3133.

Find the area of circles whose circumference are(1) 88 cm(2) 7π cm

Answer»

Find the area of circles whose circumference are

(1) 88 cm

(2) 7π cm

Discussion

3134.	Represent the numbers 5 and 10 on a number line .
Answer» Represent the numbers $\sqrt{5}$ and $\sqrt{10}$ on a number line .

Discussion

3135.	Mark the correct alternatives in each of the following:The additive inverse of −7 is(a) −7 (b) -17 (c) 7 (d) 17
Answer» Mark the correct alternatives in each of the following: The additive inverse of −7 is (a) −7 (b) $- \frac{1}{7}$ (c) 7 (d) $\frac{1}{7}$

Discussion

3136.	Solve using suitable property, state the property.134×86+134×28−134×14
Answer» Solve using suitable property, state the property. $134 \times 86 + 134 \times 28 - 134 \times 14$

3136.

Solve using suitable property, state the property.134×86+134×28−134×14

Answer»

Solve using suitable property, state the property.

$134 \times 86 + 134 \times 28 - 134 \times 14$

Discussion

3137.	If Show that A − A′ is a skew symmetric matrix
Answer» If Show that A − A′ is a skew symmetric matrix

Discussion

3138.	Question 11 Out of the four options, only one is correct. Write the correct answer. The side length of the top of the square table is x. The expression for perimeter is (a) 4+x (b) 2x (c) 4x (d) 8x
Answer» Question 11 Out of the four options, only one is correct. Write the correct answer. The side length of the top of the square table is x. The expression for perimeter is (a) 4+x (b) 2x (c) 4x (d) 8x

3138.

Question 11 Out of the four options, only one is correct. Write the correct answer. The side length of the top of the square table is x. The expression for perimeter is (a) 4+x (b) 2x (c) 4x (d) 8x

Answer»

Question 11

Out of the four options, only one is correct. Write the correct answer.

The side length of the top of the square table is x. The expression for perimeter is

(a) 4+x
(b) 2x
(c) 4x
(d) 8x

Discussion

3139.	The sum of ages of Priyanka and Deepika is 34 years. Priyanka is elder to Deepika by 6 years. Then find their today's ages.
Answer» The sum of ages of Priyanka and Deepika is 34 years. Priyanka is elder to Deepika by 6 years. Then find their today's ages.

Discussion

3140.	Find the diameter of a circle in cm whose area is equal to the sum of the area of the two circles of radii 24 cm and 7 cm.
Answer» Find the diameter of a circle in cm whose area is equal to the sum of the area of the two circles of radii 24 cm and 7 cm.

Discussion

3141.	Reduce −4530 to standard form
Answer» Reduce $\frac{- 45}{30}$ to standard form

Discussion

3142.	Question 14Is it true to say that areas of a square inscribed in a circle of diameter P cm is P2? Why?
Answer» Question 14 Is it true to say that areas of a square inscribed in a circle of diameter P cm is $P^{2}$ ? Why?

Discussion

3143.	Using quotient law simplify 15a23a5
Answer» Using quotient law simplify $\frac{15 a^{2}}{3 a^{5}}$

Discussion

3144.	What is stereospecific and stereoselective
Answer» What is stereospecific and stereoselective

Discussion

3145.	Using power law simplify (x6)32
Answer» Using power law simplify $(x^{6})^{\frac{3}{2}}$

Discussion

3146.	English alphabet "Z" has rotational symmetry of order ______.
Answer» English alphabet "Z" has rotational symmetry of order ______.

Discussion

3147.	Select the possible interior opposite angles of the triangle with an exterior angle of 150∘ ?
Answer» Select the possible interior opposite angles of the triangle with an exterior angle of 150 $^{\circ}$ ?

Discussion

3148.	If △ABC≅△PQR, which of the following are correct?
Answer» If $△ A B C ≅ △ P Q R$ , which of the following are correct?

Discussion

3149.	Students in a class decided to hold an election to see which place to visit for their annual school trip. Each student got one vote. What is the kind of data that is being gathered?
Answer» Students in a class decided to hold an election to see which place to visit for their annual school trip. Each student got one vote. What is the kind of data that is being gathered?

Discussion

3150.	It is 82% likely that India will win the match means that, ___.
Answer» It is 82% likely that India will win the match means that, ___.

Discussion

Explore topic-wise InterviewSolutions in .

Which of the following shapes has maximum number of lines of symmetry?

A bag contains blue balls, red balls, and green balls. The number of red balls in the bag is 3 more than the number of blue balls, whereas the number of green balls is thrice the number of red balls. If the total number of balls is 27, find the number of green balls.

24u2v3w × 8vw =

Solve the following equation: 52x=254

If an amount of $ 640 is borrowed at a simple rate of 15 %, then calcuate the final amount to be repaid after a period of 2 year (in dollars). 832

Ted’s mum made delicious pizza for dinner. Ted invited Ned, his best friend and decided to share the pizza equally with him. What share of pizza would Ted get?

In the given figure, if AB||CD,∠APQ=50∘ and ∠PRD=127∘, then the value of y is.

If a line segment of length 20 cm is reflected in a line of symmetry (mirror), then the reflection is a line of length ____ cm.20

Question 9Students of a class voted for their favourite colour and a pie chart was prepared based on the data collected.If 400 students voted in all, then how many did vote 'Others' colour as their favourite?(a) 6(b) 20(c) 24(d) 40

Write the following sets in rule method. L = {summer season, rainy season, winter season}

Selling price=Rs. 150000 Gain%=10% What is the cost price?

Which of the following is equal to the radius of the circle if the octagon is a regular octagon?

Arrange the numbers in ascending order 54,23,68,85,92.

Question 7 5.2 is equal to (a) 52 % (b) 5.2 % (c) 520 % (d) 0.52 %

Factorise: a power 4 x square minus 2 a cube x plus a square

The product of two rational numbers is always a ___.

Out of 15,000 voters in a constituency, 60% voted. Find the percentage of voters who did not vote. Can you now find how many actually did not vote?

A car seller claims that his 1000 kg car can accelerate from rest to a speed of 24 m/s in jst 8.0s find average power of engine of the car

In Fig. if x&gt;y, show that LM &gt; LN. [3 MARKS]

Question 2(c):Write the names of six line segments.​​

For each of the following polynomial, find p1, p0 and p-2.(i) px = x3 (ii) py = y2 -2y + 5 (iii) px = x4 -2x2 - x

Which of the following is a rational number equal to 47 with 16 as the numerator?

Which among the following would be equal to 3−5×3−2?

Find the area of card board required to make a closed box of length 25 cm, breadth 10.5 cm and height 15 cm.

Question 47 Fill in the blanks to make the statement true. We get additive inverse of an integer 'a' when we multiply it by ___.

If sin3£=cos(£-6°), where 3£ and (£-6°) are both acute angles, then find the value of £.

From a rectangular sheet of paper, two squares are cut off as shown below:The remaining rectangle should have area 24 squares centimetres. What should be the lengths of the sides of the squares?

Q. __4__1__53___ ___3___41 (1) 514322 (2) 513242 (3) 254312 (4) 514225

A boxcontains pairs of socks of two colours (black and white). I havepicked out a white sock. I pick out one more with my eyes closed.What is the probability that it will make a pair?

If triangle XYZ is congruent to triangle RPQ then XY= _______ and angle R =___________

Fill in the blank:x3×4xy2×32xy3=_______

In the given figure, the value of 'x' and 'y' is:

Find the area of circles whose circumference are(1) 88 cm(2) 7π cm

Represent the numbers 5 and 10 on a number line .

Mark the correct alternatives in each of the following:The additive inverse of −7 is(a) −7 (b) -17 (c) 7 (d) 17

Solve using suitable property, state the property.134×86+134×28−134×14

If Show that A − A′ is a skew symmetric matrix

Question 11 Out of the four options, only one is correct. Write the correct answer. The side length of the top of the square table is x. The expression for perimeter is (a) 4+x (b) 2x (c) 4x (d) 8x

The sum of ages of Priyanka and Deepika is 34 years. Priyanka is elder to Deepika by 6 years. Then find their today's ages.

Find the diameter of a circle in cm whose area is equal to the sum of the area of the two circles of radii 24 cm and 7 cm.

Reduce −4530 to standard form

Question 14Is it true to say that areas of a square inscribed in a circle of diameter P cm is P2? Why?

Using quotient law simplify 15a23a5

What is stereospecific and stereoselective

Using power law simplify (x6)32

English alphabet "Z" has rotational symmetry of order ______.

Select the possible interior opposite angles of the triangle with an exterior angle of 150∘ ?

If △ABC≅△PQR, which of the following are correct?

Students in a class decided to hold an election to see which place to visit for their annual school trip. Each student got one vote. What is the kind of data that is being gathered?

It is 82% likely that India will win the match means that, ___.

In Fig. if x>y, show that LM > LN. [3 MARKS]

Question 2(c):Write the names of six line segments.

Q. 4153_ _3_41 (1) 514322 (2) 513242 (3) 254312 (4) 514225

If triangle XYZ is congruent to triangle RPQ then XY= _ and angle R =_____