3 men and 6 boys can finish a piece of work in 3 days, while 2 men and 5 boys can finish it in 4 days. Then
time taken by one boy alone to finish the work is-
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Given:
3 men and 6 boys can finish a piece of work in 3 days, and 2 men and 5 boys can finish it in 4 days.
To Find:
Time taken by one boy alone to finish work?
Step-by-step explanation:
- Let the number of days taken by a men and a boy be x and y days respectively.
- Therefore,work done by a men in 1 day=1/x
- work done by boy in 1 day = 1/y
A.T.Q
- then equations will become
- solving above euations by substitution method we get
9a+18b=1 and 12a+5b=1
Hence time taken b y one boy to finish work is 36 days.
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