Jai Narayan sells two radio sets for 2288
On one he gains 10% and on the other he loses
10%. Find his gain or loss per cent ?
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Answer:
First radio set
CP : ₹2288
Gain : 10%
SP = CP × [100 + Gain% / 100]
SP = 2288 × [100 + 10% / 100]
SP = 2288 × [110 / 100]
SP = 2288 × 11/10
SP = 1144 × 11/5
SP = 12584/5
SP = ₹2516.8
Second radio set
CP = ₹2288
Lose = 10%
SP = CP × [100 - Lose% / 100]
SP = 2288 × [100 - 10% / 100]
SP = 2288 × [90/100]
SP = 2288 × 9/10
SP = 1144 × 9/5
SP = 10296/5
SP = ₹2059.2
Total CP = ₹2288 + ₹2288 = ₹4576
Total SP = ₹2516.8 + ₹2059.2 = ₹4576
Since, CP = SP
Hence, No Gain and No Lose
Hope it helps
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