A VCR and TV were bought for Rs 8,000 each. The shopkeeper made a loss of 4% on the VCR and a profit of 8% on the TV. Find the gain or loss percent on the whole transaction.
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Step-by-step explanation:
Case I
CP of VCR = Rs 8000
Loss percentage= 4%
SP = (1- l/100)of CP
= (1- 4/100)×Rs 8000
= Rs (8000-320)
= Rs 7680
Case II
CP of TV = Rs 8000
Profit percentage = 8%
SP = (1+ p/100)of CP
= (1+ 8/100)× Rs 8000
= Rs (8000+640)
= Rs 8640
Case III
Total CP = Rs (8000+8000)= Rs 16000
Total SP = Rs (7680+8640) = Rs 16320
Profit in the whole transaction = SP-CP
= Rs (16320-16000)
= Rs 320
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