P and Q can individually complete a piece of work in 15 and 25 days respectively.In how many days can P and Q complete the work if they work in alternative days ?
Starting with P
Starting with Q?

P and Q can individually complete a piece of work in 15 and 25 days,respectively.In how many days can P and Q complete the work if they work on alternate days: (A) Starting with P and (B) Starting with Q

Rishikesh and Mukesh can individually complete a piece of work in 18 days and 24 days respectively. On which day will the work be completed, If they work on alternate days starting with Rishikesh ?

Rishikesh and Mukesh can individually complete a piece of work in 18 days and 24 days respectively. On which day will the work be completed, If they work on alternate days starting with Rishikesh ?

P can complete a work in 72 days. Q is 33.33% more efficient than P. In how many days both complete the work if they work on alternate days starting with P?

Alen and Border can do a work individually in 21 and 42 days respectively. In how many days they can complete the work, working alternatively?