A is thrice good a workman as B and therefore is able to finish a job in 60 days less than B. Working together they can do it in?
A).
20
B).
22 ½
C). 25
D).
30
A can do piece of work in same time in which B and C together can do it. If A and B together could do it in 10 days and C alone in 50 days then B alone could do it in?
A). 15
B). 20
C). 25
D). 30
A can do a piece of work in 4hrs.B and C together can do it 3 hrs while A and C can do it in 2 hrs how long it will take for B?
A). 8
B). 10
C). 12
D). 24
A and B can do a piece of work in 5 days; B and C can do it in 7 days and A and C can do it in 4 days who among these will take least time if put to do it alone?
A). A
B). B
C). C
D).
data inadequate
A and B can do a piece of work in 72 days; B and C can do it in 120 days; A and C can do it in 90 days In what time can A alone do it?
A). 80
B). 100
C). 120
D). 150