Out of the monthly income of ₹ 45,000, Rahul spends ₹ 31,500 and the rest he saves. Find the ratio of his

(i) income to expenditure

(ii) income to savings

(iii) savings to expenditure.

Given,

Income = ₹ 45,000

Expenditure = ₹ 31,500

Total savings = Income - Expenditure = ₹ 45,000 - 31,500

= ₹ 13,500.

(i) Required ratio,

Income : Expenditure = 45000 : 31500

$= \dfrac{45000}{31500} = \dfrac{10}{7}$

= 10 : 7.

Hence, required ratio = 10 : 7.

(ii) Required ratio,

Income : Savings = 45000 : 13500

$= \dfrac{45000}{13500} = \dfrac{10}{3}$

= 10 : 3.

Hence, required ratio = 10 : 3.

(iii) Required ratio is savings to expenditure.

Savings : expenditure = 13500 : 31500

$=\dfrac{13500}{31500} = \dfrac{3}{7}$

= 3 : 7.

Hence, required ratio = 3 : 7.