Question
A, B, and C can finish a task in 12, 18, and 36 days respectively. How long will they take together?
Select an option. Your answer will be checked instantly.
Correct Answer: D. 6 days
Explanation:
Their combined rate is 1/12 + 1/18 + 1/36 = 1/6.
Therefore, they finish in 6 days.
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