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Question

A person spends 1/3 of the money with him on clothes, 1/5 of the remaining on food and 1/4 of the remaining on travel. Now he is left 400 rupees.How much did he nave with him in the beginning?

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Solution

let the person had money in the beginning = x

money spent on clothes = 1/3 * x = x/3
money remained = x - x/3 = 2x/3

money spent on food = 1/5 * 2x/3 = 2x/15
money remaines after food = 2x/3 - 2x/15 = 8x/15

money spent on travel = 1/4 * 8x/15 = 2x/15
money remained after travel = 8x/15 - 2x/15 = 2x/5

by question 2x/5 = 400
or 2x = 2000
x = 1000 Ans.

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