Question

A can do a piece of work in 14 days while B can do it in 21 days . They began together and worked at it for 6 days . Then A fell ill and B had to complete the remaining work alone .In how many days was the work complete ?​

Answer 1

Answer:

1st find 1 day work of A

then 1 day work of B

then together work

amount of work left

time taken by B to finish work

then total together work + left work done by B alone