CAT 2018 Slot 1 QA Q34 Ratio, Mixtures & Averages

Question 34 of the Quantitative Ability (QA) section, CAT 2018 Slot 1, with CAT's official answer.

In an apartment complex, the number of people aged 51 years and above is 30 and there are at most 39 people whose ages are below 51 years. The average age of all the people in the apartment complex is 38 years. What is the largest possible average age, in years, of the people whose ages are below 51 years?
  1. A
    25
  2. B
    26
  3. C
    27
  4. D
    28

Answer: (D) 28 Ratio, Mixtures & Averages MCQ

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