CAT 2018 Slot 2 QA Q3 Ratio, Mixtures & Averages

Question 3 of the Quantitative Ability (QA) section, CAT 2018 Slot 2, with CAT's official answer.

There are two drums, each containing a mixture of paints A and B. In drum 1, A and B are in the ratio 18 : 7. The mixtures from drums 1 and 2 are mixed in the ratio 3 : 4 and in this final mixture, A and B are in the ratio 13 : 7. In drum 2, then A and B were in the ratio
  1. A
    251 : 163
  2. B
    239 : 161
  3. C
    220 : 149
  4. D
    229 : 141

Answer: (B) 239 : 161 Ratio, Mixtures & Averages MCQ

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Same concept in other years

See every question on Mixing solutions in a given ratio to find an unknown strength.

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