A student needs an average of 82 across five tests. The first four scores are 78, 85, 80, and 88. What is needed on the fifth?
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Correct answer to question 98 (Arithmetic Reasoning): 79
Method
Five tests averaging 82 need 82 x 5 = 410 points in total. The first four supply 331, so the fifth must score 410 - 331 = 79.
Updated: November 2026
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