Question

Lincoln can complete a task in 12 days, Joshua can complete it in 18 days. Chris can complete the same task in x days. Chris started the task. After 3 days, Lincoln and Joshua joined. If the task is completed in 4 more days, then find the value of x.

Answer 1

Answer:

7 kyoki lincoln 12 din me krta h to chris krega 4day+3 day=7 days