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SSC CHSL 2022 PYQ — Question 71

SSC CHSL - 24 May 2022 - Shift 2 • Quantitative Aptitude • Q71

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 Find the average of the following data: 1, 2, 3, 5, 17, 21 and 28. 

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Correct answer: B

Explanation

The correct answer is Option 2 i.e. 11.

We know that,

Average = Sum of observations/Number of observations

Average = 1+2+3+5+17+21+2871+ 2 + 3 + 5 +17 + 21 + 28\over 7

⇒ 77/7 = 11