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The average of 11 numbers is 60. If the average of the first six numbers is 58 and the average of the last six numbers is 63, then what is the sixth number?

Correct Answer: 66

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Math MCQ: The average of 11 numbers is 60. If the average of the first six numbers is 58 and the average of the last six numbers is 63, then what is the sixth number? | Extra Education