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How much per cent above the cost price s...

How much per cent above the cost price should a shopkeeper mark his goods so that after allowing a discount of 25% on the marked price, he gain 20% ?

A

`55% `

B

`70% `

C

`50% `

D

`60% `

Text Solution

Verified by Experts

The correct Answer is:
D
माना कि क्रयमूल्य ₹ 100 है
20% लाभ के लिए विक्रयमूल्य = ₹ 120
माना कि अंकित मूल्य ₹y है
`y - y`का `25% = 120 `
`implies 75y = 120 xx 100 `
`implies y = (120 xx 100)/(75) = 160`
अतः अंकित मूल्य को `(160 - 100)/(100) xx 100 = 60%` अधिक अंकित करना होगा।
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