The average of 8 numbers is 23. If each of the numbers is multiplied by 8, find the average of the new set of numbers.
Explanation:
Cumulative score of 8 numbers = 8 × 23
New cumulative score = 8 × (8 × 23)
Avg. score of new set = (8 × 8 × 23)/8 = 184.
Alternately,
Since each number is multiplied with 8, the average also will become 8 times.
∴ New average = old average × 8 = 23 × 8 = 184.
Hence, option (d).
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