Multiple Choice QuestionsA can complete a piece of work in 2 days, and B in 3 days. With the help of C they together completed it in one day. C alone could complete the work in
4 days
5 days
6 days
6 days
Amar can complete 
of a work in 3 days and Shankar can complete 
of the same work in 4 days. How much will Amar get if both work together and are paid Rs. 1,800 in all?
Rs. 600
Rs. 1000
Rs. 1080
Rs. 1080
30 workers can complete a job in 36 days. After 30 days, some more workers joined and the job was completed 2 days earlier. How many new workers joined?
13
15
17
17
P takes 5 hours more than Q to complete a work. Working together they completed the work in 6 hours. Q alone could complete the work in
8 hours
10 hours
12 hours
12 hours
B.
10 hours
Let Q takes x hours to complete the work.
∴ P takes (x + 5) hours to complete the work.
Now, 
A can complete a piece of work in 36 days, B in 54 days and C in 72 days. All the three began the work together but A left 8 days before the completion of the work and B, 12 days before the completion of the work. Only C worked upto the end. In how many days was the work completed?
24
25
27
27
A and B can do a piece of work in 15 days. B and C can do a similar work in 12 days and C and A in 10 days. How many days will A take to do the work by himself?
13
24
40
40
A and B can do a piece of work in 45 and 40 days respectively. They began the work together but A left after some days and B finished the remaining work in 23 days. A left after
6 days
9 days
12 days
12 days
2 men and 1 woman can complete a piece of work in 14 days while 4 women and 2 men can do the same work in 8 days. If a man gets Rs. 180 per day, then a woman will get per day
Rs. 150
Rs. 140
Rs. 120
Rs. 120
A carpenter can build a cupboard in 60 hours. After 15 hours he takes a break. What fraction of the cupboard is yet to be built?
0.5
0.9
0.75
0.25
A works twice as fast as B. If B can complete a piece of work independently in 12 days, then what will be the number of days taken by A and B together to finish the work?
4
6
8
18
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