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The marked price of a radio is 480. The...

The marked price of a radio is 480. The shopkeeper allows a discount of 10% and gains 8%. If no discount is allowed, his gain per cent would be

A

`25%`

B

`18%`

C

`18.5%`

D

`20%`

Text Solution

Verified by Experts

The correct Answer is:
D
`10%` छूट के बाद रेडियो का मूल्य `=(480xx90)/(100)`
`=₹432`
मानाकि क्रयमूल्य `₹x` था
`thereforex+x` का `8%=432`
`108x=43200`
`x=(43200)/(108)=₹400`
`therefore` अंकित मूल्य पर बेचने पर लाभ `=480-400`
`=₹80`
`therefore%` लाभ `=(80)/(400)xx100=20%`
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