Time and Work

Problem type -1

1-Rajan can do a piece of work in 24 days.  While Amit can do it in 30 days. In how many days can they complete it. If they work together. 

2- Kabita can finish a piece of work in 12 days and Babita alone can do it in 15 days. If both of them work at it together, how much time will they take to finish it?

3- Two motor mechanics shivam and gulshan working together can overhaul a scooter in 6 days. while Shivam alone can do the job in 15 days. In how many days can gulshan alone do it 

Problem type - 2

1- A can do a piece of work in 25 days and B can finish it in 20 days. They work together for 5 days and then A leaves. In how many days B finish the remaining work?

2- A , B and C together can do a piece of work in 6 days. A alone can do it in 12 days. B alone can do it in 30 days. in how many days C can finish the work

Problem type-3

1-A and B working together can finish a piece of work in 6 days. while A alone can do it in 9 days. how much time will B alone take to finish it?

2- three taps A, B and C can fill an overhead tank in 6 hours, 8 hours and 12 hours respectively. How long would the three taps take to fill the empty tank if all of them are opend together