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Find the mean of first 10 …

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Find the mean of first 10 multiples of 3

Posted by Op Om Prakash Naik 6 years, 2 months ago

CBSE > Class 09 > Mathematics

1 answers

Sia ? 6 years, 2 months ago

First 10 multiples of 3 are : 3, 6, 9, 12, 15, 18, 21, 24, 27, 30
∴ Mean = Sum of numbers /Total number
= (3 + 6 + 9 + 12 + 15 + 18 + 21 + 24 + 27 + 30)/10
= 16.5

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