Time and Work (MCQ )
1. A and B together can do a piece of work in 12 days, which B and C
together can do in 16 days. After A has been working at it for 5 days and B for
7 days, C finishes it in 13 days. In how many days C alone will do the work?
2. A and B can do a piece of work in 45 days and 40 days respectively.
They began to do the work together but A leaves after some days and then B
completed the remaining work in 23 days. The number of days after which A left
the work was:
3. A, B and C can complete a work separately
in 24, 36 and 48 days respectively. They started together but C left
after 4 days of start and A left 3 days before the completion of the
work. In how many days will the work be completed?
(a) 15 days
(b) 24 days
(c) 25 days
(d) 38 days
4. A, B and C together earn Rs.300 per day,
while A and C together earn Rs.188 and B and C together earn Rs.152.
The daily earning of C is: