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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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1. 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

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  • 37.5 km/hr
  • 35.5 km/hr
  • 34.5 km/hr

2. Average of all prime numbers between 30 to 50

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  • 37.8
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  • 39.8

3. Average age of boys in a class is 16 years and average age of girls is 15 years, what is the average age of all

  • 15.5
  • 15
  • 16
  • Cant be computed

4. Reeya obtained 65, 67, 76, 82 and 85 out of 100 in different subjects, What will be the average.

  • 70
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  • 80
  • 85

5. Find the average of first 10 multiples of 7

  • 35.5
  • 37.5
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