Multiple Choice QuestionsA company employed 200 workers to complete a certain work in 150 days. If only one-fourth of the work has been done in 50 days, then in order to complete the whole work in time, the number of additional workers to be employed was
100
300
600
600
A.
100
If a man earns ₹ 2000 for his first 50 hours of work in a week and is then paid one and a half times his regular hourly rate for any additional hours, then the hours must he work to make ₹ 2300 in a week is
6 hours
4 hours
7 hours
7 hours
Raj and Ram working together do a piece of work in 10 days. Raj alone can do it in 12 days. Raj alone will do the work in
20 days
40 days
50 days
50 days
15 men take 20 days to complete a job working 8 hours a day. The number of hours a day should 20 men take to complete the job in 12 days
5 hours
10 hours
15 hours
15 hours
A, B and C can do a job in 6 days, 12 days and 15 days respectively. After 
of the work is completed. C leaves the job. Rest of the work is done by A and B together. Time taken to finish the work in
A man is twice as fast as a woman and a woman is twice as fast as a boy in doing a work. If all of them, a man, a woman and a boy can finish the work in 7 days. In how many days a boy will do it alone?
49
7
6
6
A, B and C are employed to do a piece of work for ₹ 575. A and C are supposed to finish 
of the work together. Amount shall be paid to B is
₹ 210
₹ 100
₹ 200
₹ 200
If x men can do a piece of work in x days, then the number of days in which y men can do the same work is
xy days
A farmer can plough a field working 6 hours per day in 18 days. The worker has to work how many hours per day to finish the same work in 12 days?
7
9
11
11
Two workers A and B working together completed a job in 5 days. If A worked twice as efficiently as he actually did and B worked 
as efficiently as he actually did, the work would have been completed in 3 days. To complete the job alone, A would require
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