Harry and Larry can together plough the field in 5 days. Harry alone takes 8 days to plough the same field. In how many days can Larry alone plough the field?
A40/3
B20/3
C10/3
D40/6
Answer:
A. 40/3
Read Explanation:
Harry + Larry = 5days
Harry = 8 days
then Larry, 1/5 - 1/8 = 3/40
take reciprocal of 3/40 as it is one day's work
answer is 40/3 =13 1/3