118. 16 men or 28 boys can do a work in 40 days. In how many days will 24 men and 14 boys complete the same work​

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1. Answer:

   I think it will help you

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   Step-by-step explanation:

   16 men can do the work in 40 days therefore 24 (16*1.5) can do the work in 80/3 (40/1.5) days.

   28 boys do the work in 40 days therefore 14 boys (28/2) can do the work in 80 (40*2) days.

   Therefore 24 men and 14 boys can do the work in

   1 / (3/80 + 1/80) = 1 / (4/80) = 80/4 = 20 days.

   So, 20 days is the required answer

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