Find the average of all prime numbers between 30 and 50.

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Q. Find the average of all prime numbers between 30 and 50.

(A) 39.8

(B) 38.8

(D) 41.8

Correct Answer - Option(A)

Explanation by: Punit Bajpai

Prime number-a number that is divisible only by itself and 1 (e.g. 2, 3, 5, 7, 11).
Then the total prime number b/w 30 to 50=31,37,39,41,43,47
Now average=(31+37+39+41+43+47)/6=39.666667,
                                Approximate=39.8

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