Asansol IT HUB

1. A can do a piece of work in 4 hours; B and C can do it in 3 hours. A and C can do it in 2 hours. How long will B alone take to do it ?

10 hours
12 hours
8 hours
24 hours

2. If A and B together can complete a piece of work in 15 days and B alone in 20 days, in how many days can A alone complete the work ?

60 days
45 days
40 days
30 days

3. A and B together can do a piece of work in 12 days, while B alone can finish it in 30 days. A alone can finish the work in ?

20 days
25 days
15 days
18 days

4. If A and B together can complete a work in 18 days, A and C together in 12 days and B and C together in 9 days, then B alone can do the work in ?

18 days
24 days
30 days
40 days

5. A and B can do a piece of work in 10 days, B and C in 15 days and C and A in 20 days. C alone can do the work in ?

60 days
120 days
80 days
30 days

6. A and B can do a piece of work in 72 days. B and C can do it in 120 days, A and C can do it in 90 days. In how many days all the three together can do the work ?

80 days
100 days
60 days
150 days

7. 8 men can do a work in 12 days. After 6 days of work, 4 more men were engaged to finish the work. In how many days would the remaining work be completed ?

2
3
4
5

8. A and B can do a piece of work in 20 days and 12 days respectively. A started the work alone and then after 4 days B joined him till the completion of the work. How long did the work last ?

10 days
20 days
15 days
6 days

9. 5 men can do a piece of work in 6 days while 10 women can do it in 5 days. In how many days can 5 women and 3 men do it ?

4 days
5 days
6 days
8 days

10. 4 men and 6 women can complete a work in 8 days, while 3 men and 7 women can complete it in 10 days. In how many days will 10 women complete it ?

50 days
45 days
40 days
35 days