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.

The cost of making an umbrella is divided between material, labour and overheads in the ratio 6 : 4 : 1. If the material costs ₹ 132, find the cost of production of an umbrella.

Divide ₹ 11,620 among A, B and C in the ratio 35 : 28 : 20.