Aptitude - Arithmetical Ability
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| 43. | . If a quarter kg pf potato costs 60 paise, how many paise will 200 gm cost?? |
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Discussion| 44. | 36 men can complete a piece of work in 18 days. In how many days will 27 men complete the same work?? |
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| 45. | 3 pumps, working 8 hours a day, can empty a tank in 2 days. How many hours a day must 4 pumps work to empty the tank in 1 day?? |
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| 46. | A certain number of persons can dig a trench 100 m long, 50 m broad and 10 m deep in 10 days. The same number of persons can dig another trench 20 m broad and 15 m deep in 30 days. The length of the second trench is:? |
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| 47. | If 9 examiners can examine a certain number of answer books in 12 days, working 5 hours a day; for how many hours a day would 4 examiners have to work in order to examine twice the number of answer books in 30 days?? |
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| 48. | If 7 spiders make 7 webs in 7 days, then 1 spider will make 1 web in how many days?? |
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