Math, asked by shriyanshjain3663, 11 months ago

find mean of first 30 odd number​

Answers

Answered by Anonymous
1

Step-by-step explanation:

First 30 odd numbers are 1,3,5,..

Here,a=1,d=3-1=2

tn=a+(n-1)d

t30=1+(30-1)2

=1+29×2

=59

S30=30/2[1+59]

=15×60

=900

Mean=900/30=30

Mean is 30.

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