Math, asked by masoodazarin6619, 1 year ago

Find the mean of first 12 odd numbe

Answers

Answered by sanikarajadhyaksha

1

Answer:

Step-by-step explanation:

Hello! It can be solved using Arithmetic Progression.

1,3,5,....23 are in A.P.

a = 1, d = 2, n = 12 tn = 23

Sn= n/2 (a +tn)

= 12/2 ( 1+ 23)

= 6×24

= 144

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