প্রশ্ন সংশোধন করুন
প্রশ্ন:
P works twice as fast as Q . If Q can complete a work in 12 days independently , the number of days in which P and Q can together finish the work is:
P works twice as fast as Q . If Q can complete a work in 12 days independently , the number of days in which P and Q can together finish the work is: