If the selling price is doubled, the profit triples. The profit percentage is
A
66 2/3
B
100
C
105 1/3
D
120
Correct Option:
B
Explanation
Let the cost price be C and the original selling price be S. The original profit is S − C. If the selling price is doubled, 2S − C = 3(S − C), so S = 2C. Therefore the original profit equals C, and profit percentage = (C/C) × 100 = 100%.