Data interpretationQuestion 506 of 550

The mean of five numbers is 12. Four of them are 10, 14, 9 and 13. What is the fifth number?

  1. 12
  2. 14
  3. 13
  4. 15
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Correct answer: 14

The sum is 5 × 12 = 60. The sum of the four is 46. The fifth number is 60 - 46 = 14.

Test structure: ETEC guide to the GAT

Practice data interpretation

Questions last reviewed: 21 October 2026