CAT 2017 Slot 1 QA Q18 Mensuration

Question 18 of the Quantitative Ability (QA) section, CAT 2017 Slot 1, with CAT's official answer.

A solid metallic cube is melted to form five solid cubes whose volumes are in the ratio 1 : 1 : 8: 27: 27. The percentage by which the sum of the surface areas of these five cubes exceeds the surface area of the original cube is nearest to:
  1. A
    10
  2. B
    50
  3. C
    60
  4. D
    20

Answer: (B) 50 Mensuration MCQ

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