A and B can do a work in 5 days and 10 days respectively. A starts the work and B joins him after 2 days. In how many days can they complete the remaining work?
A and B can do a work in 5 days and 10 days respectively. A starts the work and B joins him after 2 days. In how many days can they complete the remaining work?
A). 1 day
B). 2 days
C). 3 days
D). 4 days
1 answers
Answered by
Guest on
2021-07-10 14:24:12 | Votes
0 |
# 2 days
Work done by A in 2 days = 2/5
Join Telegram Group
Other Questions
1. A can do a piece of work in 18 days and B in 12 days. They began the work together, but B left the work 3 days before its completion. In how many days, in all, was the work completed?
2. If 10 people can do a job in 20 days,then 20
people with twice the efficiency can do the same job in
3. M can complete 3/4 part of a work in 12 days and N can complete 2/7 part of the same work in 8 days. In how many days will both complete 11/14 part of the total work?
4. A project requires 12 women to complete it in 16 days. 12 women started working and after a few days from the start of the project, 4 women left. If the remaining project was completed in 18 days, in how many days the whole project was completed?
5. 10 women can do a piece of work in 6 days, 6 men can do same work in 5 days and 8 children can do it in 10 days. What is the ratio of the efficiency of a woman, a man and a child respectively?
6. Three taps A, B and C can fill a tank in 12 hours, 15 hours and 20 hours respectively. If all the taps are opened at 12 PM, then at what time (in PM) should the tap A and C be closed to fill the tank completely at exactly 9 PM?
7. A pipe can fill a tank in 120 hours. Due to the leak in its bottom, the tank is filled in 150 hours. If the tank is full, then that leak can empty the tank in howmany hours?
8. If 12 furnaces consume 13 tonnes of coal in \(6\frac{1}{2}\) hours, how long will 7 furnaces be consuming 14 tonnes?
9. A is twice as good a workman as B and together they finish a piece of work in 14 days. The number of days taken by A alone to finish the work is:
10. A & B together finish a job in 24 days, while A, B & C together can finish the same job in 8 days. C alone will finish the job in
