One man, 3 women and 4 boys can do a work in 96 hrs: 2 men and 8 boys can do it in 80 hrs: 1man and 4 boys in 160 hours:

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Q 2207645588.     One man, 3 women and 4 boys can do a work in 96 hrs: 2 men and 8 boys can do it in 80 hrs: 1man and 4 boys in 160 hours: and 2 men and 3 women can do it in 120hrs. In how many hours can it be done by 5 men and 12 boys?
IBPS-PO 2017 Mock Mains
A

`43 7/(11) ` hrs

B

`23 7/(11)` hrs

C

`23 8/(11) ` hrs

D

`43 8/(11) ` hrs

E

`34 8/(11) ` hrs

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Solution
(Provided By a Student and Checked/Corrected by EXXAMM.com Team)

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