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By Arithmetic Mcqs Average Mcqs Basic Maths Mcqs Mathematics Mcqs No Comments

Find the average of the first 20 natural numbers?

A. 10
B. 11.5
C. 12
D. 10.5

Explanation:

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Average of the first ‘n’ natural numbers = (n + 1)/2
We get (20 + 1)/2 = 10.5

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