Related Questions

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 6 men and 8 boys can do a piece of work in 10 days and 26 men and 48 boys can do the same in 2 days , the time taken by 15 men and 20 boys to do the same type of work will be
A 4 days
B 5 days
C 6 days
D 7 days
It takes 10 days for 4 boys to complete a piece of work. The same work can be completed by 7 girls in 10 days. If 3 boys and 5 girls work in together, approximately how many days will they need to complete the work ?
A 10
B 15
C 7
D none of these
12 men or 30 boys can complete a work in 72 days. How many days will 48 men and 24 boys will take to complete the same work?
A 20
B 18
C 15
D 25
A man and a boy together can complete a job in 81 days. Two men and three boys together can complete the same job in 36 days. In how many days can four men together complete the same job?
A 21
B 27
C 30
D 36
Faruk can do a work in 12 days and Salam can do the same work in 8 days. If Faruk , Salam and Babu work together , they can complete the work in 4 days . How many days will it take Babu to complete the work alone ?
A 16
B 20
C 24
D 32
A and B can together complete a piece of work in 4 days . If A alone can complete the same work in 12 days, in how many days can B alone complete that work?
A 4 days
B 5 days
C 6 days
D 7 days
A can complete a piece of work in 12 days, A, B and C can complete the work in 6 days. Efficiency of B is 0.5 times the efficiency of A. In how many days C can complete the work alone?​
A 24 days
B 10 days
C 16 days
D 12 days
3 men or 5 women or 8 boys can finish a work in 38 days. How many days will be required to complete the same work by 6 men , 10 women and 6 boys together ?
A 5
B 6
C 7
D None of these
A certain number of men can finish a piece of work in 100 days. If , there were 10 men less, it would take 10 days more for the work to be finished. How many men were there originally ?
A 75
B 82
C 110
D 100

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