## ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 7 Ratio and Proportion MCQS

ML Aggarwal Class 10 Solutions for ICSE Maths Chapter 7 Ratio and Proportion MCQS

Choose the correct answer from the given options (1 to 10):

Question 1.

The ratio of 45 minutes to \(5 \frac { 3 }{ 4 } \) hours is

(a) 180 : 23

(b) 3 : 23

(c) 23 : 3

(d) 6 : 23

Solution:

Question 2.

The ratio of 4 litres to 900 mL is

(a) 4 : 9

(b) 40 : 9

(c) 9 : 40

(d) 20 : 9

Solution:

Question 3.

When the number 210 is increased in the ratio 5 : 7, the new number is

(a) 150

(b) 180

(c) 294

(d) 420

Solution:

Question 4.

Two numbers are in the ratio 7 : 9. If the sum of the numbers is 288, then the smaller number is

(a) 126

(b) 162

(c) 112

(d) 144

Solution:

Question 5.

A ratio equivalent to the ratio \(\\ \frac { 2 }{ 3 } \) : \(\\ \frac { 5 }{ 7 } \) is

(a) 4 : 6

(b) 5 : 7

(c) 15 : 14

(d) 14 : 15

Solution:

Question 6.

The ratio of the number of edges of a cube to the number of its faces is

(a) 2 : 1

(b) 1 : 2

(c) 3 : 8

(d) 8 : 3

Solution:

Question 7.

If x, 12, 8 and 32 are in proportion, then the value of x is

(a) 6

(b) 4

(c) 3

(d) 2

Solution:

Question 8.

The fourth proportional to 3, 4, 5 is

(a) 6

(b) \(\\ \frac { 20 }{ 3 } \)

(c) \(\\ \frac { 15 }{ 4 } \)

(d) \(\\ \frac { 12 }{ 5 } \)

Solution:

Question 9.

The third proportional to \(6 \frac { 1 }{ 4 } \) and 5 is

(a) 4

(b) \(8 \frac { 1 }{ 2 } \)

(c) 3

(d) none of these

Solution:

Question 10.

The mean proportional between \(\\ \frac { 1 }{ 2 } \) and 128 is

(a) 64

(b) 32

(c) 16

(d) 8

Solution: