Question

. A can do a work in 20 days and B can do in 10 days. A starts the work and works alone for 5

days. Then B joins A and they finish the work. In how many days the work gets finished?

(1) 10 (2) 12 (3) 9 (4) 8

​

Answer 1

Answer:

(b) is your answer

Answer 2

Answer:

8 is the correct answer......