1.

2 women and 10 children together take 8 days to complete a piece of work. How many days will 10 children alone take to complete the piece of work if 8 women alone can complete the piece of work in 6 days ?

Answer»

15
12
10
24

Solution :8 WOMEN can do a work in 6 days.
`THEREFORE` 2 women can do same work in `(8xx6)/2 = 24` days
`therefore` 2 women can do 1/24 work in 1 DAY.
`therefore` (2 women + 10 children) can do a work in 8 days.
`therefore` (2 women + 10 children)'s 1 days work 1/8
10 Children 1 day work
`=1/8-1/24=1/12` work
Hence 10 children can do same work in 12 days.


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