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Question

Three items are purchased at Rs.450 each. One of them is sold at a loss of 10%. The other two be sold so as to gain 20% on the whole transaction. What is the gain % on these two items ?

A
30 %
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B
35%
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C
25%
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D
20%
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Solution

The correct option is A 35%
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 = 1350×120100=Rs.1620
C.P. of 1 item = Rs. 450, Loss = 10%
S.P. of that item = 450×90100=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 % = 315900×100=35%

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