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If 12 men and 16 boys can do a piece of work in 5 days and,13 men and 24 boys can do it in 4 days, how long will 7 men and 10 boys take to do it,
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Answer Posted / sapan anand
12m + 16b = 1 /5 days
13m + 24b = 1/4 days
5( 12m +16b) = 4( 13m + 24b)
1m = 2b
12m + 16b = 5 days
12m + 8m = 5 days
20m = 5 days
7m + 10b = 7m + 5m = 12m
1m = 5 x 20
12m = 5 x 20 / 12 = 8 1/3 days
| Is This Answer Correct ? | 11 Yes | 5 No |
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