Class 6 · Olympiad Prep

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What is the average of 21, 27, 30, 21?

  • A.23.75
  • B.24.75 ✓
  • C.25.75
  • D.26.75
Explanation: (21+27+30+21) ÷ 4 = 24.75.

Class 6 IMO Mathematics Olympiad practice · Arithmetic · Multi-step Word Problems

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