Correct Answer: 3 3 days 7
Explanation:
Formula: If A can do a piece of work in n days, then A's 1 day's work = | 1 | . |
n |
(A + B + C)'s 1 day's work = | ❨ | 1 | + | 1 | + | 1 | ❩ | = | 7 | . |
24 | 6 | 12 | 24 |
Formula: If A's 1 day's work = | 1 | , | then A can finish the work in n days. |
n |
So, all the three together will complete the job in | ❨ | 24 | ❩ days | = | 3 | 3 | days. |
7 | 7 |
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