What is the average of first five multiples of 3 ?

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RRB Junior Clerk Exam (Allahabad) 2009 click here to view all questions

What is the average of first five multiples of 3 ?

A7

B9

C10

D8

Nithin K ? Apr 14 '2018 at 16:17

Answer is : 9

Explanation:

First five number are,

1,2,3,4,5

First five multiples of three are:
3,6,9,12,15.

\(\begin{aligned} Average = \frac{3+6+9+12+15}{5} = \frac{45}{5} = 9 \end{aligned}\)

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Answer is : 9 Explanation: First five number are, 1,2,3,4,5 First five multiples of three are: 3,6,9,12,15. \(\begin{aligned} Average = \frac{3+6+9+12+15}{5} = \frac{45}{5} = 9 \end{aligned}\) Nithin K ? answered Apr 14 '2018 at 16:17 All Comments

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