If 13 men can complete a piece of work in 36 days, then in how many days will 18 men complete the same work ?
A). 23 days
B). 24 days
C). 25 days
D). 26 days
8 boys complete a work in 14 days . In how many days will 14 boys complete that work?
A). 14 days
B). 7 days
C).
8 days
D). 6 days
A and B can do a piece of work in 48 days, A and C can do it in 60 days, b and c can do it 72 days. In what time can c alone do it?
A). 84 days
B). 84 ½ days
C). 85 days
D). 87 days
A and B working saperately can do a piece of work in 12 and 18 hours respectively. If they work for 6 hour alternately with B beginning, in how many hours will the work be completed?
A). 9 hours
B). 15 hours
C). 13 ½ hours
D). 12 ½ hours
A cistern is fille in 8 hours and it takes 12 hours when there is a leak in its bottom. If the cistern is full, in what time shall the leak empty it?
A). 22 hours
B). 21 hours
C). 24 hours
D).
23 hours