A shopkeeper sells his goods at cost price but uses a weight of 800 gm instead of kilogram weight. What is his profit percentage?
Options:
(A) 25%
(B) 18%
(C) 20%
(D) 40%
(E) 45% Stream of consciousness:
100(1000-800)/800 = 25%
Profit percentage = 25%
Thus, the answer is (A).