25365 + Interview Questions in Mathematics Page 222 InterviewSolution

11051.	The surface area of a cuboid is 1372cm2. If the ratio length : breadth : height is 4:2:1, then its length (in cm) is
Answer» The surface area of a cuboid is $1372 c m^{2}$ . If the ratio length : breadth : height is $4 : 2 : 1$ , then its length (in $c m$ ) is

11051.

The surface area of a cuboid is 1372cm2. If the ratio length : breadth : height is 4:2:1, then its length (in cm) is

Answer»

The surface area of a cuboid is $1372 c m^{2}$ . If the ratio length : breadth : height is $4 : 2 : 1$ , then its length (in $c m$ ) is

Discussion

11052.	Question 1A number which can be expressed as pq, where p and q are integers and q≠0 is:(a) natural number.(b) whole number.(c) integer.(d) rational number
Answer» Question 1 A number which can be expressed as $\frac{p}{q}$ , where p and q are integers and $q \neq 0$ is: (a) natural number. (b) whole number. (c) integer. (d) rational number

Discussion

11053.	The mode of the data 2, x, 3, 4, 5, 2, 4, 6 where x > 2, is ________.
Answer» The mode of the data 2, x, 3, 4, 5, 2, 4, 6 where x > 2, is ________.

Discussion

11054.	Question 4(iv)Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of :getting a 1-digit number.
Answer» Question 4(iv) Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of : getting a 1-digit number.

Discussion

11055.	If a=2,b=3,c=4, find the value of:(a) 3a−b+2c (b) a2−b2+c2 (c) ab−3abc−2ac (d) a2b+bc−3c3−2abc
Answer» If $a = 2, b = 3, c = 4$ , find the value of: (a) $3 a - b + 2 c$ (b) $a^{2} - b^{2} + c^{2}$ (c) $a b - 3 a b c - 2 a c$ (d) $a^{2} b + b c - 3 c^{3} - 2 a b c$

Discussion

11056.	In a laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000.
Answer» In a laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000.

Discussion

11057.	Find the perpendicular distance of the point (5, 6) and (3, –2) from x-axis.
Answer» Find the perpendicular distance of the point (5, 6) and (3, –2) from x-axis.

Discussion

11058.	Four alternative options are given for each of the following statements. Select the correct option. In an exclusive class interval (10 - 20), the lower real limit is: A. 20 B. 10 C. 10.5 D. 20.5
Answer» Four alternative options are given for each of the following statements. Select the correct option. In an exclusive class interval (10 - 20), the lower real limit is: A. 20 B. 10 C. 10.5 D. 20.5

11058.

Four alternative options are given for each of the following statements. Select the correct option. In an exclusive class interval (10 - 20), the lower real limit is: A. 20 B. 10 C. 10.5 D. 20.5

Answer»

Four alternative options are given for each of the following statements. Select the correct option.

In an exclusive class interval (10 - 20), the lower real limit is:

A. 20

B. 10

C. 10.5

D. 20.5

Discussion

11059.	Fill in the blank.x100755025y6080240
Answer» Fill in the blank. $\begin{matrix} x & 100 & 75 & 50 & 25 y & 60 & 80 & 240 \end{matrix}$

11059.

Fill in the blank.x100755025y6080240

Answer»

Fill in the blank.

$\begin{matrix} x & 100 & 75 & 50 & 25 y & 60 & 80 & 240 \end{matrix}$

Discussion

11060.	Write the following rational numbers in ascending order:
Answer» Write the following rational numbers in ascending order:

11060.

Write the following rational numbers in ascending order:

Answer»

Write the following rational numbers in ascending order:

Discussion

11061.	What should be subtracted from −23 to get 56?
Answer» What should be subtracted from $\frac{- 2}{3}$ to get $\frac{5}{6}$ ?

Discussion

11062.	Two numbers are respectively 20% and 50% more than a third number. Find the ratio of the two numbers
Answer» Two numbers are respectively 20% and 50% more than a third number. Find the ratio of the two numbers

Discussion

11063.	What will be the first class interval, if the fifth class interval is 60−65, the fourth class interval is 55−60 and a total number of classes is limited to five?
Answer» What will be the first class interval, if the fifth class interval is $60 - 65$ , the fourth class interval is $55 - 60$ and a total number of classes is limited to five?

Discussion

11064.	What is the cube root of reciprocal of 64?
Answer» What is the cube root of reciprocal of 64?

Discussion

11065.	How to find the value of root numbers?
Answer» How to find the value of root numbers?

Discussion

11066.	Question 114Identify which symbol should appear in each sector of questions
Answer» Question 114 Identify which symbol should appear in each sector of questions

11066.

Question 114Identify which symbol should appear in each sector of questions

Answer»

Question 114

Identify which symbol should appear in each sector of questions

Discussion

11067.	If in a right angled triangle, the square of the hypotenuse is equal to twice the product of the other two sides,then one of the acute angles of the triangle is
Answer» If in a right angled triangle, the square of the hypotenuse is equal to twice the product of the other two sides,then one of the acute angles of the triangle is

Discussion

11068.	Define additive inverse and give an example.
Answer» Define additive inverse and give an example.

Discussion

11069.	B owes A ₹ 4,000. On 1st January, 2018, B accepts a 3 months bill for ₹ 3,900 being in full settlement of the claim. At its due date the bill is dishounoured. Nothing charges ₹ 50 are paid by A. Give the Journal entries in the books of A and B.
Answer» B owes A ₹ 4,000. On 1st January, 2018, B accepts a 3 months bill for ₹ 3,900 being in full settlement of the claim. At its due date the bill is dishounoured. Nothing charges ₹ 50 are paid by A. Give the Journal entries in the books of A and B.

Discussion

11070.	Find the cube of 5a+3b .
Answer» Find the cube of 5a+3b .

Discussion

11071.	The chords XY and YZ are of equal length. These chords are sides of the cyclic quadrilateral WXYZ.The angle ∠YZX is degrees
Answer» The chords XY and YZ are of equal length. These chords are sides of the cyclic quadrilateral WXYZ.The angle ∠YZX is degrees

Discussion

11072.	If (a + b + c) {(a – b)2 + (b – c)2 + (c – a)2} = k(a3 + b3 + c3 – 3abc), then k = ________.
Answer» If (a + b + c) {(a – b)² + (b – c)² + (c – a)²} = k(a³ + b³+ c³– 3abc), then k = ________.

Discussion

11073.	Question 4 (ii) Name the quadrilateral whose diagonals: (ii) Are perpendicular bisectors of each other.
Answer» Question 4 (ii) Name the quadrilateral whose diagonals: (ii) Are perpendicular bisectors of each other.

11073.

Question 4 (ii) Name the quadrilateral whose diagonals: (ii) Are perpendicular bisectors of each other.

Answer»

Question 4 (ii)
Name the quadrilateral whose diagonals:

(ii) Are perpendicular bisectors of each other.

Discussion

11074.	Between the rational numbers 4/6 and 2/3 there is/are ________ rational numbers.
Answer» Between the rational numbers 4/6 and 2/3 there is/are ________ rational numbers.

Discussion

11075.	Sheela is now 15 years older than her younger brother sanjay. Ten years from now sheela will be as old as sanjay. Find the present ages of each.
Answer» Sheela is now 15 years older than her younger brother sanjay. Ten years from now sheela will be as old as sanjay. Find the present ages of each.

Discussion

11076.	Which among the following options is not a polynomial?
Answer» Which among the following options is not a polynomial?

Discussion

11077.	Write a orthogonal Pythagorean triplet whose one number is 14
Answer» Write a orthogonal Pythagorean triplet whose one number is 14

Discussion

11078.	A right circular cylinder has a radius of 14 cm and height 42 cm with both upper and lower circular areas closed. The total surface area of the cylinder is equal to ____.
Answer» A right circular cylinder has a radius of 14 cm and height 42 cm with both upper and lower circular areas closed. The total surface area of the cylinder is equal to ____.

Discussion

11079.	The area of a rectangle is given by the expression p(4p2−16). If the length of the rectangle is 4p(p−2), then find the expression for the breadth of the rectangle.
Answer» The area of a rectangle is given by the expression $p (4 p^{2} - 16)$ . If the length of the rectangle is $4 p (p - 2)$ , then find the expression for the breadth of the rectangle.

Discussion

11080.	16. How many significant figures are there in 100
Answer» 16. How many significant figures are there in 100

Discussion

11081.	If the height of a cylinder is halved and its diameter is doubled then, the new volume is the initial volume.
Answer» If the height of a cylinder is halved and its diameter is doubled then, the new volume is the initial volume.

Discussion

11082.	Rick sold 26 of the total apples in Street Aand 512 of the total apples in Street B.Calculate the combined fraction of apples sold by Rick in the two streets.
Answer» $Rick sold \frac{2}{6} of the total apples in Street A$ $and \frac{5}{12} of the total apples in Street B .$ Calculate the combined fraction of apples sold by Rick in the two streets.

Discussion

11083.	Répondez aux questions suivantes.1. Décrivez votre chambre.2. Comment fêtez-vous votre anniversaire?
Answer» Répondez aux questions suivantes. 1. Décrivez votre chambre. 2. Comment fêtez-vous votre anniversaire?

Discussion

11084.	The given figure shows parallelogram ABCD. Points P and Q trisects the side AB.To prove: Area of △DPQ = 16 × Area of (parallelogram ABCD)
Answer» The given figure shows parallelogram ABCD. Points P and Q trisects the side AB. To prove: Area of $△$ DPQ = $\frac{1}{6}$ × Area of (parallelogram ABCD)

11084.

The given figure shows parallelogram ABCD. Points P and Q trisects the side AB.To prove: Area of △DPQ = 16 × Area of (parallelogram ABCD)

Answer»

The given figure shows parallelogram ABCD. Points P and Q trisects the side AB.

To prove: Area of $△$ DPQ = $\frac{1}{6}$ × Area of (parallelogram ABCD)

Discussion

11085.	Question 104(iv) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. In which age group, is the number of literate females the highest ?
Answer» Question 104(iv) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. In which age group, is the number of literate females the highest ?

11085.

Question 104(iv) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. In which age group, is the number of literate females the highest ?

Answer»

Question 104(iv)

The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town.

In which age group, is the number of literate females the highest ?

Discussion

11086.	For the polynomial 4x−6x5+3x2, find the coefficient of the second term when this polynomial is written in standard form.
Answer» For the polynomial $4 x - 6 x^{5} + 3 x^{2}$ , find the coefficient of the second term when this polynomial is written in standard form.

Discussion

11087.	Which could be the remainder among the following when a perfect square is divided by 8? A. 1 B. 3 C. 5 D. 7
Answer» Which could be the remainder among the following when a perfect square is divided by 8? A. 1 B. 3 C. 5 D. 7

11087.

Which could be the remainder among the following when a perfect square is divided by 8? A. 1 B. 3 C. 5 D. 7

Answer»

Which could be the remainder among the following when a perfect square is divided by 8?

A. 1

B. 3

C. 5

D. 7

Discussion

11088.	n the given figure, a solid wooden toy is made witha cube of side 5 cm mounted on a cylindradius 1.5 cm and heigQ4er ofht 7 cm. If the cubical partis to be painted with grey colour at the rate of 2per cm2 and cylinder with red colour at the rate of7 per cm2, then find the total cost of painting
Answer» n the given figure, a solid wooden toy is made witha cube of side 5 cm mounted on a cylindradius 1.5 cm and heigQ4er ofht 7 cm. If the cubical partis to be painted with grey colour at the rate of 2per cm2 and cylinder with red colour at the rate of7 per cm2, then find the total cost of painting

Discussion

11089.	Two numbers are respectively 20 % and 50 % more than a third number. The ratio of the two numbers is:
Answer» Two numbers are respectively $20 %$ and $50 %$ more than a third number. The ratio of the two numbers is:

Discussion

11090.	Which of the following should be the THIRD sentence after rearrangement?
Answer» Which of the following should be the THIRD sentence after rearrangement?

Discussion

11091.	x-7=9
Answer» x-7=9

Discussion

11092.	13.Find the derivative of x²sinx via using first principal
Answer» 13.Find the derivative of x²sinx via using first principal

Discussion

11093.	A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many can small cubes with side 6 cm be placed in the given cuboid?
Answer» A cuboid is of dimensions 60 cm $\times$ 54 cm $\times$ 30 cm. How many can small cubes with side 6 cm be placed in the given cuboid?

Discussion

11094.	Question 2(iii)Factorise the following expressions7a2+14a
Answer» Question 2(iii) Factorise the following expressions $7 a^{2} + 14 a$

Discussion

11095.	Question 25 Two cubes have volumes in the ratio 1 : 64. The ratio of the area of a face of first cube to that of the other is a) 1 : 4 b) 1 : 8 c) 1 : 16 d) 1 : 32
Answer» Question 25 Two cubes have volumes in the ratio 1 : 64. The ratio of the area of a face of first cube to that of the other is a) 1 : 4 b) 1 : 8 c) 1 : 16 d) 1 : 32

11095.

Question 25 Two cubes have volumes in the ratio 1 : 64. The ratio of the area of a face of first cube to that of the other is a) 1 : 4 b) 1 : 8 c) 1 : 16 d) 1 : 32

Answer»

Question 25

Two cubes have volumes in the ratio 1 : 64. The ratio of the area of a face of first cube to that of the other is
a) 1 : 4
b) 1 : 8
c) 1 : 16
d) 1 : 32

Discussion

11096.	In the above figure, how many pairs of opposite angles are there?
Answer» In the above figure, how many pairs of opposite angles are there?

Discussion

11097.	Factorise the expression:10ab+4a+5b+2
Answer» Factorise the expression: $10 a b + 4 a + 5 b + 2$

Discussion

11098.	ABCD is a parallelogram. What kind of quadrilateral will it be if, AC is perpendicular to BD but not equal to it. ?
Answer» ABCD is a parallelogram. What kind of quadrilateral will it be if, AC is perpendicular to BD but not equal to it. ?

11098.

ABCD is a parallelogram. What kind of quadrilateral will it be if, AC is perpendicular to BD but not equal to it. ?

Answer»

ABCD is a parallelogram. What kind of quadrilateral will it be if,

AC is perpendicular to BD but not equal to it. ?

Discussion

11099.	By what smallest number should 216 be divided so that the quotient is a perfect square? Also, find the square root of the quotient.
Answer» By what smallest number should 216 be divided so that the quotient is a perfect square? Also, find the square root of the quotient.

Discussion

11100.	Find themultiplicative inverse of the following.(i) (ii) (iii) (iv) (v) (vi) −1
Answer» Find the multiplicative inverse of the following. (i) (ii) (iii) (iv) (v) (vi) −1

11100.

Find themultiplicative inverse of the following.(i) (ii) (iii) (iv) (v) (vi) −1

Answer»

Find the
multiplicative inverse of the following.

(i) (ii) (iii)

(iv) (v) (vi) −1

Discussion

Explore topic-wise InterviewSolutions in .

The surface area of a cuboid is 1372cm2. If the ratio length : breadth : height is 4:2:1, then its length (in cm) is

Question 1A number which can be expressed as pq, where p and q are integers and q≠0 is:(a) natural number.(b) whole number.(c) integer.(d) rational number

The mode of the data 2, x, 3, 4, 5, 2, 4, 6 where x > 2, is ________.

Question 4(iv)Numbers 1 to 10 is written on ten separate slips (one number on one slip), kept in a box and mixed well. One slip is chosen from the box without looking into it.What is the probability of :getting a 1-digit number.

If a=2,b=3,c=4, find the value of:(a) 3a−b+2c (b) a2−b2+c2 (c) ab−3abc−2ac (d) a2b+bc−3c3−2abc

In a laboratory, the count of bacteria in a certain experiment was increasing at the rate of 2.5% per hour. Find the bacteria at the end of 2 hours if the count was initially 5,06,000.

Find the perpendicular distance of the point (5, 6) and (3, –2) from x-axis.

Four alternative options are given for each of the following statements. Select the correct option. In an exclusive class interval (10 - 20), the lower real limit is: A. 20 B. 10 C. 10.5 D. 20.5

Fill in the blank.x100755025y6080240

Write the following rational numbers in ascending order:

What should be subtracted from −23 to get 56?

Two numbers are respectively 20% and 50% more than a third number. Find the ratio of the two numbers

What will be the first class interval, if the fifth class interval is 60−65, the fourth class interval is 55−60 and a total number of classes is limited to five?

What is the cube root of reciprocal of 64?

How to find the value of root numbers?

Question 114Identify which symbol should appear in each sector of questions

If in a right angled triangle, the square of the hypotenuse is equal to twice the product of the other two sides,then one of the acute angles of the triangle is

Define additive inverse and give an example.

B owes A ₹ 4,000. On 1st January, 2018, B accepts a 3 months bill for ₹ 3,900 being in full settlement of the claim. At its due date the bill is dishounoured. Nothing charges ₹ 50 are paid by A. Give the Journal entries in the books of A and B.

Find the cube of 5a+3b .

The chords XY and YZ are of equal length. These chords are sides of the cyclic quadrilateral WXYZ.The angle ∠YZX is degrees

If (a + b + c) {(a – b)2 + (b – c)2 + (c – a)2} = k(a3 + b3 + c3 – 3abc), then k = ________.

Question 4 (ii) Name the quadrilateral whose diagonals: (ii) Are perpendicular bisectors of each other.

Between the rational numbers 4/6 and 2/3 there is/are ________ rational numbers.

Sheela is now 15 years older than her younger brother sanjay. Ten years from now sheela will be as old as sanjay. Find the present ages of each.

Which among the following options is not a polynomial?

Write a orthogonal Pythagorean triplet whose one number is 14

A right circular cylinder has a radius of 14 cm and height 42 cm with both upper and lower circular areas closed. The total surface area of the cylinder is equal to ____.

The area of a rectangle is given by the expression p(4p2−16). If the length of the rectangle is 4p(p−2), then find the expression for the breadth of the rectangle.

16. How many significant figures are there in 100

If the height of a cylinder is halved and its diameter is doubled then, the new volume is the initial volume.

Rick sold 26 of the total apples in Street Aand 512 of the total apples in Street B.Calculate the combined fraction of apples sold by Rick in the two streets.

Répondez aux questions suivantes.1. Décrivez votre chambre.2. Comment fêtez-vous votre anniversaire?

The given figure shows parallelogram ABCD. Points P and Q trisects the side AB.To prove: Area of △DPQ = 16 × Area of (parallelogram ABCD)

Question 104(iv) The below histogram shows the number of literate females in the age group of 10 yr to 40 yr in a town. In which age group, is the number of literate females the highest ?

For the polynomial 4x−6x5+3x2, find the coefficient of the second term when this polynomial is written in standard form.

Which could be the remainder among the following when a perfect square is divided by 8? A. 1 B. 3 C. 5 D. 7

n the given figure, a solid wooden toy is made witha cube of side 5 cm mounted on a cylindradius 1.5 cm and heigQ4er ofht 7 cm. If the cubical partis to be painted with grey colour at the rate of 2per cm2 and cylinder with red colour at the rate of7 per cm2, then find the total cost of painting

Two numbers are respectively 20 % and 50 % more than a third number. The ratio of the two numbers is:

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

x-7=9

13.Find the derivative of x²sinx via using first principal

A cuboid is of dimensions 60 cm × 54 cm × 30 cm. How many can small cubes with side 6 cm be placed in the given cuboid?

Question 2(iii)Factorise the following expressions7a2+14a

Question 25 Two cubes have volumes in the ratio 1 : 64. The ratio of the area of a face of first cube to that of the other is a) 1 : 4 b) 1 : 8 c) 1 : 16 d) 1 : 32

In the above figure, how many pairs of opposite angles are there?

Factorise the expression:10ab+4a+5b+2

ABCD is a parallelogram. What kind of quadrilateral will it be if, AC is perpendicular to BD but not equal to it. ?

By what smallest number should 216 be divided so that the quotient is a perfect square? Also, find the square root of the quotient.

Find themultiplicative inverse of the following.(i) (ii) (iii) (iv) (v) (vi) −1