Free Averages MCQs with Answers

1 Averages MCQs from Mathematics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.

1 question

1. The average of five numbers is 18. What is their sum?

  • A. 72
  • B. 80
  • C. 90
  • D. 95

Explanation: Average = sum ÷ count, so sum = average × count = 18 × 5 = 90. Rearranging this single relation solves nearly every averages question in aptitude papers.

Correct answer: 90