CAT 2020 Slot 2 QA Q3 Ratio, Mixtures & Averages

Question 3 of the Quantitative Ability (QA) section, CAT 2020 Slot 2, with CAT's official answer.

In a group of 10 students, the mean of the lowest 9 scores is 42 while the mean of the highest 9 scores is 47. For the entire group of 10 students, the maximum possible mean exceeds the minimum possible mean by
  1. A
    5
  2. B
    3
  3. C
    4
  4. D
    6

Answer: (C) 4 Ratio, Mixtures & Averages MCQ

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Same concept in other years

See every question on Maximise or minimise one value given an average and distinct/bounded others.

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