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manish kumar

· started a discussion

· 1 Months ago

ans is wrong (Question: 269940.0 )

correct ans is 4

Question:

16 women take 12 days to complete a work which can be completed by 12 men in 8 days. 16 men started working and after 3 days 10 men left and 4 women joined them. How many days will it take them to complete the remaining work?

Options:
A)

4

B)

6

C)

8

D)

10

Solution:

Ans: (a)

  

Knowledge Expert

· commented

· 1 Months ago

Dear student,

Given answer is correct.
another explanation-

16*12w=12*8m => m= 2w.
12 men complete a work in 8 days => 48m complete it in 2 days. => 16m completes the work in 6 days.
In this way, in 3days, 16men completes 1/2 of the work. Rem work = 1/2w
Now, 4w join 6m (10m leave) = 6m + 2m(=4w)= 8m.
16m completes the work in 6days then 16m completes the Half Work in 6days.

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