CAT 2018 Slot 1 QA Q26 Ratio, Mixtures & Averages

Question 26 of the Quantitative Ability (QA) section, CAT 2018 Slot 1, with CAT's official answer.

Raju and Lalitha originally had marbles in the ratio 4 : 9. Then Lalitha gave some of her marbles to Raju. As a result, the ratio of the number of marbles with Raju to that with Lalitha became 5 : 6. What fraction of her original number of marbles was given by Lalitha to Raju?
  1. A
    \(\frac{1}{4}\)
  2. B
    \(\frac{1}{5}\)
  3. C
    \(\frac{6}{19}\)
  4. D
    \(\frac{7}{33}\)

Answer: (D) 7/33 Ratio, Mixtures & Averages MCQ

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