Question
A and B can complete a job in 6 days. If A is 50% more efficient than B, how long does B take alone?
Select an option. Your answer will be checked instantly.
Correct Answer: A. 15 days
Explanation:
Let B's rate be 2 units and A's rate be 3 units, total 5 units.
If 5 units finish in 6 days, B alone takes 6 × 5/2 = 15 days.
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