Multiple Choice QuestionsA does 
of a work in 9 days. Then B joined him and they together completed the remaining work in 6 days. B alone can finish the whole work in
10 days
10 days
D.
10 days
A does 
of a work.
∴ Remaining work = 
∵ (A + B) together do 
of work in 6 days.
∴ Time taken by A and B in doing whole work 
A does 
part of work in 9 days.
∴ Time take by A in doing whole work = 
∴ B's 1 day's work 
∴ Required time = 18 days
A man does double the work done by a boy in the same time. The number of days that 3 men and 4 boys will take to finish a work which can be done by 10 men in 8 days is
4
16
A man can do a piece of work in 30 hours. If he works with his son then the same piece of work is finished in 20 hours. If the son works alone he can do the work in
60 hours
50 hours
25 hours
25 hours
The daily wages of A and B respectively are Rs. 3.50 and Rs. 2.50. When A finishes a certain work, he gets a total wage of Rs. 63. When B does the same work, he gets a total wage of Rs. 75. If both of them do it together, what is the cost of the work ?
Rs. 67.50
Rs. 27.50
Rs. 60.50
Rs. 60.50
John does 
piece of work in 3 hours. Joe does 
of the remaining work in 1 hour and George finishes remaining work in 5 hours. How long would it have taken the three working together to do the work?
15 men can finish a piece of work in 40 days. The days after which 5 men should leave the work so that the work is finished in 45 days altogether is
10
20
30
30
If 35 men finish a piece of work in 8 days, then the number of men who can do the same work in 10 days is
38
28
19
19
A, B and C contract a work for ₹ 440/-. Together A and B are to do 
of the work. The share of C should be:
If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?
7
7
A can do a piece of work in 9 days while B can do it in 12 days. A and B together can do the work in
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