Question:A certain number of men complete a piece of work in 60 days. If there were 8 men more, the work could be finished in 10 days less. How man were originally there ?
A `30`
B `32`
C `36`
D `40`
/47
+ Answer
D
+ Explanationsolution:
Originally, let there be `X`men.
More men, Less days
`:. (x + 8) : x :: 60 :50`
So, `x + 8/x = 60/50`
or `x = 40`.
Hence, there were `40` men, originally.