What will be the average of the odd numb

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Target Exam

CUET

Subject

General Test

Chapter

Numerical Ability

Topic

Average

Question:

What will be the average of the odd numbers from 21 to 81?

Options:

Correct Answer:

Explanation:

The AP series of odd numbers is :

21 + 23 + 25...............+ 79 + 81

Average of the series = \(\frac{First\; term\; +\; Last \;Term }{2}\)

= \(\frac{21 + 81 }{2}\) = \(\frac{102 }{2}\) = 51