Question

if m man can do a job in 10 days,how long will it take 10 man to complete thr task,assuming that they work at the same rate?

full ans pls no shortcut

Answer 1

hi friend,

1 man done in 10 days.
10 man done = 10/10
= 1 day.

They done in 1 day.
Hope this helps you....

Answer 2

m men needing 10 days to do one job.
let r = rate of work for 1 man
so, m*r*10=10*r*t
    mr10=10rt
    t=mr*10/10r
    t=m
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