731Q:
A shopkeeper cheats to the extent of 10% while buying and selling, by using false weights. His total gain is.
A) 20% B) 21%
C) 22% D) 23%
A shopkeeper cheats to the extent of 10
Answer: B) 21%
Explanation:
Gain % = ((100+common gain %)2100−100)%
=((100+10)2100−100)
= 21%
Subject: Profit and Loss – Quantitative Aptitude – Arithmetic Ability