Multiple Choice Questions

if 6 men can do a work in 10 days and 10 women can do the same work in 15 days then in how many days...........

Quantitative Aptitude (CDS) Time and work

if 6 men can do a work in 10 days and 10 women can do the same work in 15 days, then in how many days will 6 men and 5 women complete the work?

15/7

30/7

30/4

20/3

6 men work for 1 day=1/10

10 women work for 1 day=1/15

5 women work for 1 day=1/30

(6 men + 5 women) work for 1 day=1/10 +1/30

=4/30

So, 6 men and 5 women will complete the work in 30/4 days.

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