| 1. | Machine X fills 2000 bottles in 5 hours and machine Y fills 2000 bottles in 6 hours, in how many hours can machine X and Y, working together at these constant rates, fill 2000 bottles? |
| a. | | 11/30 hrs |
| b. | | 30/11 hrs |
| c. | | 11/8 hrs |
| d. | | 8/11 hrs
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| 2. | A and B can complete stitching in 6 hours, B and C can do the same in 8 hours, while C and A can complete it in 12 hours. How long would each of them take, doing the same work, separately ? |
| a. | | A = 48 hours, B = 9.6 hours, C = 16 hours |
| b. | | A = 9.6 hours, B = 48 hours, C = 16 hours |
| c. | | A = 16 hours, B = 9.6 hours, C = 48 hours |
| d. | | A = 16 hours, B = 48 hours, C = 9.6 hours
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| 3. | 1/4th of a work is completed by 8 persons in 12 days. Find the number of persons required to complete the remaining work in 16 days. |
| a. | | 2 |
| b. | | 3 |
| c. | | 4 |
| d. | | 1
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| 4. | "X" can do as much work in 4 days as "Y" in 6 days. "Z" can do as much work in 2 days as "Y" can do in 1 day. What time would "Z" require to do a work if "X" takes 12 days to finish it? |
| a. | | 12 days |
| b. | | 36 days |
| c. | | 24days |
| d. | | 32 days
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| 5. | A and B can complete a piece of work in 18 days, while A alone can complete it in 24 days. Find the time taken by B alone to complete the work. |
| a. | | 63 days |
| b. | | 54 days |
| c. | | 36 days |
| d. | | 72 days
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| 6. | A family of 8 members have the grocery stock for a month (30 days). After 2 weeks, a family of 8 relatives arrive. For how many more days the food will last? |
| a. | | 10 days |
| b. | | 16 days |
| c. | | 8 days |
| d. | | 12 days
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| 7. | X and Y can do a piece of work in 15 days; Y and Z can do the job in 18 days; Z and X can complete in 10 days. All of them worked together for 5 days and then X leaves. Y and Z then worked for 3 days and then Y leaves. Find how long Z would take to complete the job? |
| a. | | 43/2 days |
| b. | | 45/2 days |
| c. | | 41/2 days |
| d. | | 47/2 days
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| 8. | A family of 8 consume grains worth of $200 for 80 days. For how long will $300 maintain a family of 12 members? |
| a. | | 70 days |
| b. | | 80 days |
| c. | | 90 days |
| d. | | 75 days
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| 9. | If 80 men working 8 hours a day can complete a job in 20 days. Calculate in how many more days will 40 men working 10 hours a day do thrice the same work. |
| a. | | 50 days |
| b. | | 82 days |
| c. | | 85 days |
| d. | | 76 days
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| 10. | Tony is thrice as efficient as Mony. Tony can finish a piece of work in 40 days less than Mony. In how many days, Mony can finish the work? |
| a. | | 120 days |
| b. | | 80 days |
| c. | | 60 days |
| d. | | 90 days
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| 11. | Bruce would take 16 hours more to complete the job, individually, than working together with Berry. If Berry worked alone, she would take 9 hours more to complete the job than Bruce and Berry who worked together. What time would they take to complete the job, if both Bruce and Berry worked together? |
| a. | | 11 hours |
| b. | | 15 hours |
| c. | | 12 hours |
| d. | | 10 hours
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| 12. | Lee and Nee can do a piece of work in 20 days. Sweety and Tweety can complete the same work in 30 days. In how many days will Lee, Nee, Sweety and Tweety do it together? |
| a. | | 3 days |
| b. | | 8 days |
| c. | | 5 days |
| d. | | 4 days
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