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Multiple choice

The average of 8 numbers is 132. If one number is excluded, the average of the remaining 7 numbers is 130. The excluded number is-

  1. 134

  2. 135

  3. 146

  4. 150

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Sum of 8 numbers = 8×132 = 1056. Sum of remaining 7 numbers = 7×130 = 910. Excluded number = 1056 - 910 = 146. Option C is correct.

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