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

  • 70
  • 75
  • 80
  • 85

Answer: Option B

Explanation:

\begin{aligned}
( \frac {65+67+76+82+85}{5} ) = 75
\end{aligned}

Similar Questions :

1. 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

Answer: Option C

Explanation:

Total weight increased is 1.5 * 10 = 15.
So weight of new person is 45+15 = 60

2. The average weight of a class of 24 students is 35 kg. If the weight of the teacher be included, the average rises by 400 g. The weight of the teacher is

  • 45
  • 50
  • 55
  • 60

Answer: Option A

3. Find the average of all numbers between 6 and 34 which are divisible by 5

  • 15
  • 20
  • 25
  • 30

Answer: Option B

Explanation:

\begin{aligned}
Average = (\frac{10+15+20+25+30}{5}) = \frac{100}{5} =20
\end{aligned}

4. Average of 10 matches is 32, How many runs one should should score to increase his average by 4 runs.

  • 70
  • 76
  • 78
  • 80

Answer: Option B

Explanation:

Average after 11 innings should be 36

So, Required score = (11 * 36) - (10 * 32)
= 396 - 320 = 76

5. A batsman makes a score of 87 runs in the 17th match and thus increases his average by 3. Find his average after 17th match

  • 36
  • 37
  • 38
  • 39

Answer: Option D

Explanation:

Let the average after 17th match is x
then the average before 17th match is x-3

so 16(x-3) + 87 = 17x
=> x = 87 - 48 = 39

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