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A, B and C working in a garment manufacturing company can do the same assignment in 24, 6 and 12 days, respectively. Working together the assignment will be complete in how many days?

33/7 days
43/7 days
4 days
3 days

Correct Answer: 33/7 days

Explanation:

(A + B + C)' S 1 day's work = (1/24) + (1/6) + (1/12) = 7/24
∴ (A + B + C) can do the entire work in = 24/7
= 3³/₇ days

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