Hema bought two pairs of jeans for Rs.1450 each. She sold one of them at a gain of 8% and the other at a loss of 4%. Find her gain or loss per cent in the whole transaction.

CP of first jeans = Rs.1450

SP of first jeans

= Rs.1566

CP of second jeans = Rs.1450

SP of second jeans

= Rs.1392

CP of both the bat = 1450 + 1450

= Rs.2900

SP of both bats = 1566 + 1392

= Rs.2958

It is a case of Gain because SP is more than CP.

Gain = SP – CP

=2958 - 2900

= Rs58

= 2%