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The average of eight successive numbers is 6.5. The average of the smallest and the greatest numbers among them will be:

1. 4
2. 6.5
3. 7.5
4. 9

Correct answer: 6.5

Solution

For eight successive numbers, the average is the midpoint of the sequence. Therefore, the average of the smallest and greatest numbers is the same as the average of all eight numbers. Hence it is 6.5.

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