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AFCAT || Numerical_Ability || Time_and_Work_Quiz

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Question 1

A man can do a piece of work in 25 hours. If he works with his son then the same work is finished in 20 hours. If the son works alone he can do the work in

Question 2

If 80 cats kill 80 mice in 80 days, then 5 cats would kill 5 mice in how many days?

Question 3

A certain number of persons can complete a work in 45 days. If there were 7 persons more, the work could be finished in 9 days less. How many persons were originally there?

Question 4

Tasha can do a piece of work in 25 days. Neha is 25% more efficient than Tasha. The number of days taken by neha to do the same piece of work is :

Question 5

A, B and C together earn Rs. 720 per day, while A and C earn together Rs. 432 and B and C together earn Rs. 388. The daily earning of C is -

Question 6

If 90 men can do a certain job in 18 days, working 11 hours a day, then the part of that work which can be completed by 75 men in 24 days, working 9 hours a day is

Question 7

A and B can do a work in 4 and 12 days respectively. They began the work together but A leaves after 2 days. Then the total number of days needed for the completion of the work is :

Question 8

A and B can do a piece of work in 18 days and 12 days respectively. A started the work alone and then after 3 days B joined him till completion of the work. How long did the work last?

Question 9

X can do a certain work in the same time in which Y and Z together can do it. X and Y together can do it in 15 days and Z alone can do it in 60 days, then Y alone could do it in :

Question 10

14 men can complete a work in 8 days. After they have worked for 4 days, 2 more men join them. How many days will they take to complete the remaining work?
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Nov 15CDS & Defence Exams