A shopkeeper bought two items at ₹450 is he sold one at loss of 10% and what price should he sell the other as to gain 20% on the whole transaction
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Answer:
C.P. of one item = Rs. 450, C.P. of three items = 3 x Rs. 450 = Rs.1350
Gain on the whole transaction = 20%
∴ S.P. of the three items =
100
1350×120
=Rs.1620
C.P. of 1 item = Rs. 450, Loss = 10%
∴ S.P. of that item =
100
450×90
=Rs.405
∴ S.P. of the remaining two items = Rs.1620-Rs.405=Rs.1215
C.P. of these two remaining items =2×Rs.450=Rs.900
∴ Gain on these two items = Rs.315
Gain % =
900
315
×100=35%
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