Question

18. A can finish a work in 20 days. A works for 5 days and leave,
then B finish the remaining work in 10 days. How much time
will be required to do the work if both A and B work together?
(a) 7 days
(b) 8 days
(c) 8.5 days
(d) 9 days
​

Answer 1

Answer:

7 days 7days 7 days 7 days 7 days