posted by Rahul kumar .
Ankit sold two jeans for â‚¹990 each .on one he gains 10% and on other he lost 10% . find his gain or loss percent on whole transaction.
cost: 990/1.10 and 990/0.90
so his income:cost ratio is
(2*990)/(990/1.10 + 990/0.90) = 0.99
That is, a loss of 1%