A cloth merchant sells one shirt for Rs. 420 at a gain of 20% and another for Rs. 480 at a loss of 4%. His total gain or loss percent is :

5.9

6.2

4.7

6

Solution: C.P. of 1st shirt = Rs. (100*420/120) = Rs. 350. C.P. of 2nd shirt = Rs.(100*480/96) = Rs. 500. So, total C.P. = Rs. (350+500) =Rs. 850. Total S.P. = Rs. (420+480) =Rs. 900. .'. Gain% = (50*100/850) = 5.882 = 5.9.

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