8 men can dig a pit in 20 days. if a man works half as much more as a boy, then 4 men and 9 boys can dig a similar pit in :
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Answer:
16 days.
Step-by-step explanation:
Since, if a man works half as much more as a boy,
Thus, the work done by a man = Boy's one day work + 1/2 of the work of boy
⇒ The work done by a man = 3/2 Boy's one day work
⇒ 3/2 boys = 1 man
⇒ 1 boy = 2/3 man
⇒ 9 boy = 6 man
Hence, the work done by 4 men and 9 boys = The work done by 10 men
Let n be the days taken by 10 men,
Given,
8 men can dig a pit in 20 days.
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