Time and Work Questions And Answers.


1.Twelve children take sixteen days to complete a work which can be completed by 8 adults in 12 days. After working for 3 days, sixteen adults left and six adults and four children joined them. How many days will they take to complete the remaining work ?
A. 3 days
B. 4 days
C. 6 days
D. 8 days

2.P and Q can complete a work in 15 days and 10 days respectively. They started the work together and then Q left after 2 days. P alone completed the remaining work. The work was finished in___days.
A. 12
B. 15
C. 22
D. 20

3.A and B can finish a work 30 days if they work together. They worked together for 20 days and then B left. A finished the remaining work in another 20 days. In how many days A alone can finish the work?
A. 70
B. 50
C. 40
D. 60

4.A is thrice as good as B in work. A is able to finish a job in 60 days less than They can finish the work in____days if they work together.
A. 18 days
B. 22 � days
C. 24 days
D. 26 days

5.Two taps X and Y can fill a tank in 10 hrs. and 15 hrs.respectively. If the both taps are opened together, the tank will be full in____?
A. 3 hrs.
B. 4 hrs,
C. 5 hrs.
D. 6 hrs.