Answers

2015-01-30T22:12:23+05:30
Cost price:
12 lemons - Rs 25
1 lemon - Rs 25/12
So 5 lemon - Rs 25/12*5 = Rs 10.4
Selling price:
5 lemons - Rs 12
Hence, Profit = Rs 1.6
Profit% = 1.6/10.4*100% = 153.846%
Good luck but solve such prob on your own....
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2015-01-31T09:46:28+05:30
PROFIT % =       Net gain       × 100
                            Total cost

TIP : solve this question by unitary method
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