Question

Tence, - S IS DIVISIO
N
A can do a piece of work in 24 days. If B is 60% more
efficient than A, then the number of days required by
B to do the twice as large as the earlier work is lll
(a) 24
(b) 36
(c) 15
(d) 30​

Answer 1

Answer:

Step-by-step explanation:

Ans : (d) 30

Work ratio of A:B = 100 : 160 or 5: 8

Time ratio = 8: 5 or 24 : 15

If A takes 24 days, B takes 15 days, Hence, B takes

30 days to do double the work.