MasteryExams
Quantitative Aptitude • Ratio, Average & MixtureEasy

What is the average of the first 47 odd numbers?

A. 93
B. 48
C. 47✓ Correct Answer
D. 23.5

💡 Solution & Explanation

The sum of the first n odd numbers is n², so here it is 47² = 2209. Average = 2209 ÷ 47 = 47. For any evenly spaced list, the average is also the middle of the first and last numbers.

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