SSC MTS 2 Aug 2019 Shift 3 Paper

Question : 29 of 100

Marks: +1, -0

What is the average of first seven prime numbers (correct to two decimal places)?

Solution:

First seven prime numbers are 2, 3, 5, 7, 11, 13 and 17
⇒

\Average={\Sum\of\seven\prime\numbers}/7

⇒

\Average=58/7

⇒ Average = 8.285 ≈ 8.29
∴ The average of first seven prime numbers is 8.29.

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