Question

Question 45 Abhay can complete a piece of work in 18 days, Balram in 20 days and Chandan in 30days. Balram and Chandan started the work but were forced to leave after 2 days. Howmany days will Abhay take to complete the remaining work alone? A 10 days B 12 days C 15 days D 16 days​

Answer 1

days Efficiency

A 18 10

B 20 9

C 30 6

B+C 12 15

2/12 =1/6

1- 18

5/6 -?

5/6 ×18 =15 days

ans c