Mathematics
NULL
Medium
Question
A tradesman cheats 20% with a false balance in both buying and selling. What percent does he gain on his outlay?
A
0.2
B
0.45
C
0.44
✓ Official correct answer
D
0.48
Community credibility
Registered members can vote for the answer they believe is correct today and explain why. If the facts change after an election or news event, suggest a new option so others can vote it up.
A
0.2
No member explanations yet for this option.
B
0.45
No member explanations yet for this option.
C
0.44
No member explanations yet for this option.
D
0.48
No member explanations yet for this option.
Explanation
Effective multiplier 1.2 × 1.2 = 1.44 ⇒ gain = 44% (option 0.44).