A contractor hires 36 men for a work, they complete 3/4th of the work in 15 days. After that work is stopped due to rain

A contractor hires 36 men for a work, they complete 3/4th of the work in 15 days. After that work is stopped due to rain. 25% of the completed work is destroyed by rain and 6 men falls sick. Find the time in which remaining work will be completed. ?

a)            9 days

b)            12 days

c)            8 days

d)            10 days

Sol:

Let total work = 16x

No. of days to do total work = 20 days