Question

8men complete a work in 6hrs. In how many hrs will 12men complete the work.

Answer 1

Think it this way,
8 men complete the work in 6 hs.
So, the total work if its 1 man = 8 x 6 = 48 hours

Now, for this same 48 hours of work, 12 men are coming,
So no of hours required = 48/12 = 4 hours

The answer is 4 hours