Q. A and B together can complete a piece of work in 12 days. They worked together for 5 days and then A alone finished the rest work in 14 days. A alone can complete the work in______.
1) 24 days
2) 22 days
3) 20 days
4) 18 days
Q. The time taken by 4 men to complete a job is double the time taken by 5 children to complete the same job. Each man is twice as fast as a woman. How long will 12 men, 10 children and 8 women take to complete a job, given that a child would finish the job in 20 days.
1) 4 Days
2) 3 Days
3) 2 Days
4) 1 Days
Q. 35 persons are engaged to complete a work in 60 days. After 32 days it is observed that only (2/5)th part of the work has been done. The number of persons to be engaged to complete the remaining work in the said period is -
1) 20
2) 35
3) 30
4) 25
Q. Working 7 hours in a day, 4 men can do a piece of work in 8 days. Working 8 hours in a day, the required number of men to perform the same work in 4 days will be -
1) 8
2) 7
3) 4
4) 9
Q. Three electronic devices make a beep after every 48 sec, 72 sec and 108 sec respectively. They beeped together at 10 a.m. The time when they will next make a beep together at the earliest is
1) 10:07:12 hrs
2) 10:07:24 hrs
3) 10:07:36 hrs
4) 10:07:48 hrs
Q. Two baskets together have 640 oranges. If (1/5) of the oranges in the first basket be taken to the second basket. The number of oranges in the first basket is
1) 800
2) 600
3) 300
4) 400
Q. P can do (1/4)th of work in 10 days, Q can do 40% of work in 40 days and R can do (1/3)rd of work in 13 days. Who will complete the work first ?
1) P
2) R
3) Q
4) Both P and R
Q. The product of two numbers is 48. If one number equals "The number of wings of a bird plus 2 times the number of fingers on your hand divided by the number of wheels of a Tricycle". Then the other number is
1) 9
2) 10
3) 12
4) 18
Q. A boy found the answer for the question "Subtract the sum of 1/4 and 1/5 from unity and express the answer in decimals" as 0.45. The percentage of error in his answer was
1) (100/11) %
2) 50%
3) 10%
4) (200/11)%
Q. The smallest number, which should be added to 756896 so as to obtain a multiple of 11, is -
1) 1
2) 2
3) 3
4) 5
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