A. 10 days
B. 14 days
C. 15 days
D. 9 days
0
A tank can be filled by a pipe in 20 min. and by another pipe in 60 min. Both the pipes are kept open for 10 min. and then the first pipe is shut off. After this, the tank will be completely filled in__________?
0
A is thrice as good a work man as B and takes 10 days less to do a piece of work than B takes. B can do the work in:___________?
A. 10 min
B. 20 min
C. 30 min
D. 40 min
0
8 children and 12 men complete a certain piece of work in 9 days. If each child takes twice the time taken by a man to finish the work, in how many days will 12 men finish the same work ?
A. 15 days
B. 14 days
C. 16 days
D. 30 days
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0
15 men can build a 500m long wall in 30 days. In how many days can 30 men build a 1.2 km long wall?
A. 6 days
B. 8 days
C. 10 days
D. 12 days
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0
If 28 men can finish a work in 15 days, 21 men can finish the same work in___________?
A. 48 days
B. 24 days
C. 40 days
D. 36 days
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0
C takes 6 days to complete half of a work and D takes 5 days to complete 1/3rd of the same work. They take turns to complete the task. If C works for the first 4 days, in how many days will D complete the rest of the work without the help of C?
A. 24 days
B. 14 days
C. 15 days
D. 20 days
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0
P,Q and R together earn Rs.1620 in 9 days. P and R can earn Rs.600 in 5 days. Q and R in 7 days can earn Rs.910. How much amount does R can earn per day?
A. 10 days
B. 12 days
C. 8 days
D. 9 days
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0
P and Q can complete a work in 20 days and 12 days respectively. P alone started the work and Q joined him after 4 days till the completion of the work. How long did the work last?
A. Rs.40
B. Rs.70
C. Rs.90
D. Rs.100
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0
P can finish a work in 18 days. Q can finish the same work in 15 days. Q worked for 10 days and left the job. how many days does P alone need to finish the remaining work?
A. 5 days
B. 10 days
C. 15 days
D. 12 days
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