Q.1 A can do a certain job in 12 days. B is 60% more efficient than A. The number of days, it takes B to do the same piece of work is ………
(A) 6 days
(B) 6 ¼ days
(C) 7 ½ days
(D) 8 days
Q.2 A can do a piece of work in 14 days which B can do in 21 days. The begin together but 3 days before the completion of the work, A leaves off. The total number of days to complete the work is……
(A) 6.6
(B) 8.5
(C) 10.2
(D) 13.5
Q.3 45 men can complete a work in 16 days, 6 days after they started working. 30 more men join them. How many days will they now take to complete the remaining work?
(A) 4
(B) 5
(C) 6
(D) 8
Q.4 A, B and C are employed to do a piece of work for Rs. 529. A and C are supposed to finished 19/23 of the work together. How much shall be paid to B?
(A) Rs. 82
(B) Rs 92
(C) Rs 300
(D) Rs 437
Q.5 A piece of work can be done by 6 men and 5 women in 6 days or 3 men and 4 women in 10 days. It can be done by 9 men and 15 women in……
(A) 1 day
(B) 2 days
(C) 3 days
(D) 4 days
Q.6 A and B working separately can do a piece of work in 9 and 12 days respectively. If they work a day alternately. A beginning, in how many days the work will be completed?
(A) 0 ½
(B) 10 q1/5
(C) 10 ¼
(D) 10 2/3
Q.7 A father can do a job as fast as his two sons working together. If one son does the job in 3 hours and the other in 6 hours, how many hours does it take the father to do the job?
(A) 1
(B) 2
(C) 3
(D) 4
Q.8 A sum of money sufficient to pay A’s wages for 21 days and B’s wages for 28 days. The same money is sufficient to pay the wages of both for…….
(A) 12
(B) 14
(C) 12 ¼
(D) 24 ½
Q.9 To fill a cistern, pipes A, B and C take 20 minutes, 15 minutes and 12 minutes respectively. The time in minutes, that the three pipes together will take to fill the cistern, is…….
(A) 5
(B) 10
(C) 12
(D) 15 2/3
Q.10 Two pipes a fill a tank in 10 hours and 12 hours respectively, while a third pipe empties the full tank in 20 hours. If all the three pipes operate simultaneously, in how much time the tank will be filled?
(A) 7 hrs.
(B) 8 hrs.
(C) 7 hrs. 30 minutes.
(D) 8 hrs. 30 min.
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