Question
Find the average of prime numbers between 30 and 50 .
Solution
Prime numbers between 30 and 50 = 31, 37, 41, 43, 47 Required sum = 31 + 37 + 41 + 43 + 47 = 199 Number of prime numbers = 5 Required average = (199 ÷ 5) = 39.8 ≈ 40 Hence, option b.
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