Aptitude  Average  Practice Q&A-Easy

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1. A library has an average of 510 visitors on Sundays and 240 on other days. The average number of visitors per day in a month of 30 days beginning with a Sunday is:

250 276 280 285
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2. The average weight of 8 persons increases by 2.5 kg when a new person comes in place of one of them weighing 65 kg. What might be the weight of the new person?

76 kg 76.5 kg 85 kg Data inadequate
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3. The average weight of 16 boys in a class is 50.25 kg and that of the remaining 8 boys is 45.15 kg. Find the average weights of all the boys in the class.

47.55 kg 48 kg 48.55 kg 49.25 kg
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4. A pupils marks were wrongly entered as 83 instead of 63. Due to that the average marks for the class got increased by half (1/2). The number of pupils in the class is:

10 20 40 73
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5. Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average.

70 75 80 85
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6. Average of first five multiples of 3 is

9 11 13 15
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7. Average weight of 10 people increased by 1.5 kg when one person of 45 kg is replaced by a new man. Then weight of the new man is

50 55 60 65
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8. Average of five numbers is 27. If one number is excluded the average becomes 25. The excluded number is

35 45 55 65
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9. Find the average of all numbers between 6 and 34 which are divisible by 5

15 20 25 30
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10. A motorist travel to a place 150 km away at an avearge speed of 50 km/hr and returns ar 30 km/hr.His average speed for the whole jouney in km/hr is

36.5 km/hr 37.5 km/hr 33.5 km/hr 66.5 km/hr
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