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SSC MTS 2024 · PYQ · Average · medium

The average score of 12 girls in a test was 16.5 and that of 18 boys in the same test was 16. The average score of girls and boys taken together in the same test was:

  1. A.16.4
  2. B.16.7
  3. C.16.2✓ Correct
  4. D.16.1

Explanation

Combined average = (12×16.5 + 18×16)/(12+18) = (198+288)/30 = 486/30 = 16.2.
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