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Multiple choice

The average of five numbers is 58. If the average of first four numbers is 56, what is the value of the fifth number?

  1. 56

  2. 60

  3. 66

  4. 68

  5. 72

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

Sum of five numbers = 5 × 58 = 290. Sum of first four = 4 × 56 = 224. Fifth number = 290 - 224 = 66. Option C is correct.

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