Related Questions

30 labourers, working 7 hours a day can finish a piece of work in 18 days. If the ladourers work 6 hours a day, then the number of labourers to finish the same piece of work in 30 days, will be.
A 15
B 22
C 21
D 25
M and N can dig a pond in 6 days, the how many days N needs to dig the pond alone?
A 12
B 9
C 19
D 10
If takes 6 men 4 days to dig a hole 3 feet deep. How long it will take 10 men to dig a hole 7 feet deep?
A 5.25 days
B 5.4 days
C 5.6 days
D 5.8 days
If it takes 50 workers 4 hours to dig a hole, how long should it take 30 workers to dig the same hole?
A 2 hrs, 24 mins
B 6 hrs, 12 mins
C 5 hrs, 12 mins
D 6 hrs, 40 mins
If it takes 4 hours to dig a hole by 50 workers, how long should it take to dig the same hole by 30 workers?
A 2 hours 24 minutes
B 6 houres 12 minutes
C 5 houres 12 minutes
D 6 hours 40 minutes
If 18 pumps can raise 2170 tonnes of water in 10 days , working 7 hours a day ; in how many days will 16 pumps raise 1736 tonnes of water , working 9 hours a day ?
A 6
B 7
C 8
D 9
If 3 men or 6 boys can do a piece of work in 10 days,working 7 hours a day; how many days will it take to complete a piece of work twice as large with 6 men and 2 boys working together for 8 hours a day ?
A 6
B 7.5
C 8.5
D 9
If 12 carpenters, working 6 hours a day, can make 460 chairs in 24 days, how many chairs will 18 carpenters make in 36 days , each working 8 hours a day?
A 1260
B 1320
C 920
D 1380
50 persons can do a work in 12 day's by working 8 hours a day. Working how many hours per day can 60 persons finish the work in 16 days?
A 8 hours
B 5 hours
C 6 hours
D 4 hours
39 persons can repair a road in 12 days , working 5 hours a day. In how many day will 30 persons, working 6 hours a day. complete the work?
A 10
B 13
C 14
D 15

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