Question

Ek aadmi 1 rupees me 9 mango khariedta hai aur 1 rupees me 6 mango bech deta hai to uske lagat molaya se labh ka ratio kitna hoga

Answer 1

cost of 9 man =1. cost of 1 man =1÷9.

s.p. of 6 man=1. s.p.of 1 man=1÷6

profit =1/6-1/9=1/18

ratio=2:1