Question

3.
In 11 days, 30 men can do a piece of work, working 9 hours
daily. If another piece of work, thrice as big as the former
work, has to be done in 18 days, then how many hours per
day will 55 men have to work to finish it?
(a) 8 hours per day
(b) 9 hours per day
(c) 3 hours per day
(d) 7 hours per day​

Answer 1

Answer:

c

Step-by-step explanation:

3 hours per day

30*11*9 = 55*18*x