The time taken by 4 men to complete a job is double the time taken by 5 children to complete the sam...........

Quantitative Aptitude (CGL) Time and work

The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is twice as fast as a woman. How long will 12 men, 10 children and 8 women take to complete a job, given that a child would finish the job in 20 days.

3 Days

4 Days

2 Days

1 Day

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Explanation:

5C = 4M × 2
M = 5/8 C
M = 2W
2W = 5/8 C
1W = 5/16 C
2M + 8W + 10C=12×5/8 C+8×5/16 C+10C
=15/2 C+5/2 C+10C
=40/2 C
20 days × 1 Children = 40/2 C × x days
x = 1 days