1.
|
A can do a work in 15 days and B in 20
days. If they work on it together for 4 days, then the fraction of the work
that is left is :
|
|
|
2.A and B can do a work in 8 days, B and C
can do the same work in 12 days. A, B and C together can finish it in 6 days. A
and C together will do it in :
A. 4 days
B. 6 days
C. 8 days
D. 12 days
3.A man can do a piece of work in 5 days, but
with the help pf his son, he can do it in 3 days. In what time can the son do
it alone?
A.
6x1/2 days B. 7 days
C.
7x1/2 days D. 8 days
4.
|
A can lay railway track between two given
stations in 16 days and B can do the same job in 12 days. With help of C,
they did the job in 4 days only. Then, C alone can do the job in:
|
|
|
5.X can do a piece of work in 40 days. He
works at it for 8 days and then Y finished it in 16 days. How long will they
together take to complete the work?
A. 13⅓ days
B. 15 days
C. 20 days
D. 26 days
6. Sakshi can do a piece of work in 20 days.
Tanya is 25% more efficient than Sakshi. The number of days taken by tanya to
do the same piece of work is
A. 15 B.
16
C.
18 D.
25
7.
|
A, B and C can do a piece of work in 20, 30
and 60 days respectively. In how many days can A do the work if he is
assisted by B and C on every third day?
|
|
|
12 days
|
|
15 days
|
|
|
16 days
|
|
18 days
|
|
8.A and B together can do a piece of work in
30 days. A having worked for 16 days, B finishes the remaining work alone in 44
days. In how many days shall B finish the whole work alone?
A. 30 days
B. 40 days
C. 60 days
D. 70 days
9.Kim can do a work in 3 days while David can
do the same work in 2 days. Both of them finish the work together and get
Rs.150. What is the share of Kim?
A.
Rs.30 B. Rs.60
C.
Rs.70 D. Rs.75
10.A alone can do a piece of work in 6 days
and B alone in 8 days. A and B undertook to do it for Rs. 3200. With the help
of C, they completed the work in 3 days. How much is to be paid to C?
A. Rs. 375
B. Rs. 400
C. Rs. 600
D. Rs. 800
