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September 12th, 2019, 11:47 PM   #1
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How 30% gain ?

A shopkeeper sold a TV set for Rs 17,940 with a discount of 8% and gained 19.6%. If no discount is allowed, then what will be his gain per cent?

A)

Discount 8%; MP/SP = 100/92

Gain 19.6%; SP/CP = 119.6/100

After applying MP/CP * Discount% = SP/CP

MP/CP = 119.6/92.0 = 13/10
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September 13th, 2019, 05:03 AM   #2
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P = selling price

W = wholesale price

0.92P = 1.196W

P = (1.196/.92)W = 1.3W

selling price, P, is the wholesale price, W, marked up 30%
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