Question

The boy saves ₹ 1.25daily. find the least number of days in which he can convert his savings into 20 rupee note

Answer 1

let the least number of days be x

so 1.25x = 20

x = 20/1.25 = 2000/125 = 80/5 = 16 days

Answer 2

It will be 16 days to save 20 rupees