ArithmeticQuestion 316 of 550

A student's mean score in 4 tests is 80. He scores 90 in the fifth test. What is the mean of all five tests?

  1. 82
  2. 85
  3. 81
  4. 84
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Correct answer: 82

Total score = 80 × 4 + 90 = 410. Mean = 410 ÷ 5 = 82.

Test structure: ETEC guide to the GAT

Practice arithmetic

Questions last reviewed: 21 October 2026