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RRB Junior Engineer / DMS / CMA 2019 · Question 272 of 3719

The mean of a set of 12 numbers is 24. If one item is excluded, the mean gets reduced by 3. What is the excluded number?

  1. A62
  2. B45
  3. C57Correct
  4. D55

Answer: C. 57

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (1-June-2019 Shift 2) — cracku.in solved paper with answer key · reliable-secondary

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