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If 9 examiners can examine a certain number of answer books
in 12 days , working 5 hours a day ; for how many hours a
day would four examiners have to work in order to examine
twice the number of answer books in 30 days ?
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Answer Posted / pawan
x * 4 * 30 = 2 * 5 * 9 *12
x = 9 hrs
| Is This Answer Correct ? | 12 Yes | 0 No |
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