A dishonest dealer professes to sell his goods at the cost price, but uses only 960 grams in place of a kilogram weight. Find his profit percent?
A). 10 %
B). 20 %
C). 30 %
D). 40 %
40 %
Profit % =(Original Weight − False Weight)/False Weight × 100
⇒ P % = (1000-960)/960× 100
⇒40/960 × 100 = 4 1/6 %