CAT 2018 Slot 1 QA Q9 Progressions & Series

Question 9 of the Quantitative Ability (QA) section, CAT 2018 Slot 1, with CAT's official answer.

Given an equilateral triangle T1 with side 24 cm, a second triangle T2 is formed by joining the midpoints of the sides of T1. Then a third triangle T3 is formed by joining the midpoints of the sides of T2. If this process of forming triangles is continued, the sum of the areas, in sq cm, of infinitely many such triangles T1, T2, T3,... will be
  1. A
    192√3
  2. B
    164√3
  3. C
    248√3
  4. D
    188√3

Answer: (A) 192√3 Progressions & Series MCQ

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Same concept in other years

See every question on Infinite geometric series: a/(1 − r).

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