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February 2, 2017

Aptitude Test-8-Time and Work

Welcome to your Aptitude Test-8-Time and Work

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1) 3 men or 6 women can do a piece of work in 20 days. In how many days will 12 men and 8 women do the same work?
2) A and B can do a work in 12 days, B and C in 30 days and C and A in 36 days. In how many days will the work be completed, if all three of them work together?
3) A can do a work in 9 days and B can do the same work in 18 days. If they work together, in how many days will they complete the work?
4) Anita, Indu and Geeta can do a piece of work in 18 days, 27 days and 36 days respectively. They start working together. After working for 4 days. Anita goes away and Indu leaves 7 days before the work is finished. Only Geeta remains at work from beginning to end. In how many days was the whole work done?
5) Ramesh can finish a work in 20 days and Sushil in 25 days. They both work together for 5 days and then Sushil goes away. In how many days will Ramesh complete the remaining work?
6) 5 men are equal to as many women as are equal to 8 boys. All of them earn Rs.90 only. Men’s wages are?
7) A can do a half of certain work in 70 days and B one third of the same in 35 days. They together will do the whole work in.
8) A, B and C can do a work in 6 days, 8 days and 12 days respectively. In how many days can all three of them working together, complete the work?
9) 15 men take 21 days of 8 hours each to do a piece of work. How many days of 6 hours each would 21 women take to do the same. If 3 women do as much work as 2 men?
10) A and B can do a piece of work in 8 days. B and C can do it in 12 days and A and C in 16 days. Working together they will complete the work in how many days?
11) A is half good a work man as B and together they finish a job in 14 days. In how many days working alone B finish the job?
12) A can do a piece of work in 4 days. B can do it in 5 days. With the assistance of C they completed the work in 2 days. Find in how many days can C alone do it?
13) 30 men can do a work in 40 days. When should 20 men leave the work so that the entire work is completed in 40 days after they leave the work?
14) 16 men can complete a piece of work in 25 days. In how many days can 20 men complete that piece of work?
15) If 12 men and 16 boys can do a piece of work in 5 days and 13 men together will 24 boys can do it in 4 days. Compare the daily work done by a man with that of a boy.
16) If 5 men and 2 boys working together, can do four times as much work per hour as a man and a boy together. Find the ratio of the work done by a man and that of a boy for a given time?
17) 45 men working 8 hours per day dig 30 m deep. How many extra men should be put to dig to a depth of 50 m working 6 hours per day?
18) A can do a piece of work in 20 days. B in 15 days A and C in 12 days. In how many days can A finish the work if he is assisted by B on one day and C on the next, alternately?
19) P is three times as fast as Q and working together, they can complete a work in 12 days. In how many days can Q alone complete the work?
20) Two pipes X and Y can separately fill a cistern in 18 and 24 hours respectively. If they are turned on alternately for one hour each, how long will it take to fill the cistern?
21) A and B can do a work in 5 days and 10 days respectively. A starts the work and B joins him after 2 days. In how many days can they complete the remaining work?
22) A can do half the work in one day where as B can do it full. B can also do half the work of C in one day. Ratio in their efficiency will be?
23) A, B and C can do a work in 90, 30 and 45 days respectively. If they work together, in how many days will they complete the work?
24) Some persons can do a piece of work in 12 days. Two times the number of these people will do half of that work in?
25) A, B and C completed a piece of work, A worked for 6 days, B for 9 days and C for 4 days. Their daily wages were in the ratio of 3:4:5. Find the daily wages of C, if their total earning was Rs.1480?
26) Two men and three women working 7 hours a day finish a work in 5 days. Four men and four women working 3 hours a day complete the work in 7 days. The number of days in which only 7 men working 4 hours a day will finish the work is?
27) A can do a piece of work in 12 days. He worked for 15 days and then B completed the remaining work in 10 days. Both of them together will finish it in.
28) A is twice as good a workman as B and they took 7 days together to do the work B alone can do it in.
29) A, B and C can do a piece of work in 24 days, 30 days and 40 days respectively. They began the work together but C left 4 days before the completion of the work. In how many days was the work completed?
30) A and B can do a work in 4 hours and 12 hours respectively. A starts the work at 6AM and they work alternately for one hour each. When will the work be completed?

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