Chapter 9: Ratio, Proportion and Unitary Method Exercise 9.3

Ratio, Proportion and Unitary Method – Exercise 9.3 – Q.1

(i) 16 : 24 = 20 : 30

True

(ii)

21 : 6 = 35 : 10

True

(iii)

False.

(iv) 51 : 58 = 85 : 102.

False

(v)

True

(vi)

True.

 

Ratio, Proportion and Unitary Method – Exercise 9.3 – Q.2

(i) 8, 16, 6, 12.

We have,

Hence 8, 16, 6, 12 are in proportion.

(ii) 6, 2, 4, 3

We have

Hence, 6, 2, 4, 3 are not in proportion

(iii) 150, 250, 200, 300.

We have

∴ Hence 150, 250 200, 300 are not in proportion.