Math MCQ: The average of 6 observations is 12. A new seventh observation is included and the new average is decreased by 1. Find the seventh observation.

The average of 6 observations is 12. A new seventh observation is included and the new average is decreased by 1. Find the seventh observation.

Correct Answer: 5

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WhatsApp+91 99922 70404Math MCQ: The average of 6 observations is 12. A new seventh observation is included and the new average is decreased by 1. Find the seventh observation. | Extra Education