Question

A and B can complete a work in 8 & 16 days. if B Start the work the alternative day with B starting the job. In how many days he complete the job.

Answer 1

heya....


part of the job completed in first 2 days =

$\frac{1}{8} + \frac{1}{16} = \frac{3}{16}$
After 10 days 15/16 of the work is completed.

remaining part :- 1/16


⊙ B will work the 11 th day and he takes 1 day to complete the remaining part

¤ The job is completed in 11 days.


Hope it helps you


@ Prabhudutt