Question

A trader cheats both his supplier and his customer
by using false weights. While buying from his
suppliers, he takes 10% more than the indicated
weight. When he sells to his customer, he gives the
customer a weight such that if 10% of that is added
to the weight, the weight claimed by the trader is
obtained. If he charges the cost price of the weight
that he claims, find his profit percentage.
(A) 20%
(B) 21%
(C) 211/3%
(D) 222/9%​

Answer 1

Answer:

A is the answer i think is it right