Question

Ankit sold two jeans for 990 each. On one he gains 10% and on the other he lost
10%. Find his gain or loss per cent in the whole transaction.
​

Answer 1

Answer : loss = 20 & loss % = 1%

Explanation:

Given : Selling Price (S.P) of 1st jean = 990

Selling Price (S.P) of 2nd jean = 990

Profit percentage (P%) = 10%

Lost percentage (L%) = 10%

To find : gain or lost percentage in whole transaction

When 10 % gain;

Cost price (C.P) = 990 × 100 / 110

= 900

Also, when loss = 10%

Cost price (C.P) = 990 × 100 / 90

= 1100

So total C.P = 900 + 1100

=2000

Also total S.P = 990 +990

=1980

loss = 2000 - 1980

= 20

loss % =20 /2000 x100

=1%