CAT 2020 Slot 2 QA Q16 Mensuration

Question 16 of the Quantitative Ability (QA) section, CAT 2020 Slot 2, with CAT's official answer.

The sum of perimeters of an equilateral triangle and a rectanmgle is 90 cm. The area, T, of the triangle and the area , R, of the rectangle, both in sq cm, satisfy the relationship R = T2. If the sides of the rectangle are in the ratio 1 : 3, then the length, in cm, of the longer side of the rectangle, is
  1. A
    27
  2. B
    18
  3. C
    21
  4. D
    24

Answer: (A) 27 Mensuration MCQ

A worked solution for this question is being written. Meanwhile, practise it in a timed mock and see how other aspirants did.

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