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There are 149 consecutive even numbers and their average is 150, then find the average of second and second last number is?
1. 149
2. 149.5
3. 150
4. 152

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Correct Answer - Option 3 : 150

Given:

There are 149 consecutive even numbers and their average is 150

Concept Used:

When number of observations are odd, then average is same for first and last, second and second last, third and third last,……., so on.

Calculation:

From concept above, the average of second and second last number is 150.

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