Find the mean of first 12 even natural number
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(2+4+6+8+10+12+14+16+18+20+22+24)/12= 156/12=13
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mean of first 12 even numbers
sum of first even numbers formula=n (n+1)
sum of first even numbers=12 (12+1)
=12×13=156
mean of first 12 even numbers =156/12=13
sum of first even numbers formula=n (n+1)
sum of first even numbers=12 (12+1)
=12×13=156
mean of first 12 even numbers =156/12=13
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