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SSC Selection Post 2024 PYQ — Question 55

SSC Selection Post - Matriculation Level - 20 June 2024 - Shift 1 • Quantitative Aptitude • Q55

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Find the average of all prime numbers between 42 and 75.

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Correct answer: B

Explanation

The correct answer is Option 2 i.e. 59.25.

Prime numbers between 42 and 75: 43, 47, 53, 59, 61, 67, 71, 73

Average = 43+47+53+59+61+67+71+738{43+47+53+59+61+67+71+73}\over8

⇒ 4748474\over8 = 59.25