Question
If Ken and Vaidev work together, they can complete a job in 10 days. If Ken and Vaidev worked together for 5 days, followed by Vaidev who worked alone for the next 15 days, they can finish off the job.
  1. How many days would Vaidev need to complete the job alone? 
  2. How many days would Ken need to complete the job alone?
4 m
(a)

Click button first when a symbol is required. X

(b)

Click button first when a symbol is required. X

If Ken and Vaidev work together, they can complete a job in 10 days. If Ken and Vaidev worked together for 5 days, followed by Vaidev who worked alone for the next 15 days, they can finish off the job.
  1. How many days would Vaidev need to complete the job alone? 
  2. How many days would Ken need to complete the job alone?