Time and Work on Arithmetic Aptitude related Questions and Answers

Question 1 : If 5 women or 8 girls can do a work in 84 days. In how many days can 10 women and 5 girls can do the same work?
1. 32 days
2. 48 days
3. 52 days
4. 38 days
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Question 2 : If 34 men completed 2/5th of a work in 8 days working 9 hours a day. How many more man should be engaged to finish the rest of the work in 6 days working 9 hours a day?
1. 89
2. 98
3. 102
4. 142
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Question 3 : If 9 men working 6 hours a day can do a work in 88 days. Then 6 men working 8 hours a day can do it in how many days?
1. 89 days
2. 90 days
3. 85 days
4. 99 days
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Question 4 : A is twice as good a workman as B and together they finish a piece of work in 18 days. In how many days will A alone finish the work?
1. 31 days
2. 25 days
3. 27 days
4. 29 days
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Question 5 : Worker A takes 8 hours to do a job. Worker B takes 10 hours to do the same job. How long it take both A & B, working together but independently, to do the same job?
1. 40/9 days
2. 40/7 days
3. 7.5 days
4. 8.5 days
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Question 6 : A,B and C are employed to do apiece of work for Rs.529. A and C are supposed to finish 19/23 of the work together. How much shall be paid to B?
1. Rs.92
2. Rs.112
3. Rs.98
4. Rs.86
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Question 7 : 12 men can complete a work in 18 days. Six days after they started working, 4 more men joined them. How many days will all of them together complete the remaining work?
1. 10 days
2. 8 days
3. 11 days
4. 9 days
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Question 8 : A is twice as good workman as B, and together they complete a work in 15 days. In how many days can the work be complete by B alone?
1. 25 days
2. 45 days
3. 35 days
4. 40 days
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Question 9 : A and B and C together can finish a piece of work in 4 days. A alone can do it in 12 days, and B in 18 days. Then, C alone can do it in
1. 8 days
2. 7 days
3. 9 days
4. 10 days
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Question 10 : A, B and C can do a piece of work in 15 days, 10 days and 6 days respectively. How long will they take to do it, if all the three work together?
1. 7 days
2. 5 days
3. 3 days
4. 2.5 days
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