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Find the average of the first four prime numbers greater than10

Find the average of the first four prime numbers greater than10
  • A.
    20
  • B.
    19
  • C.
    17
  • D.
    15
Correct Answer: Option D
Explanation

First four prime numbers greater than 10 are 11, 13, 17, 19
The average (= frac{11+13+17+19}{4}=15)

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