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  9. Q44

CGPSC 2012 · Question 44 of 66

Q50. The value of (1 + 1/2)(1 + 1/3)(1 + 1/4) ..... (1 + 1/150) is

Basic Numeracy

  1. A65.5
  2. B50.5
  3. C105
  4. D75.5Correct
  5. ENone of these

Answer: D. 75.5

Explanation

The product telescopes: (3/2)(4/3)...(151/150) = 151/2 = 75.5.

Source: CGPSC Prelims 2012 GS Paper-II (held 9-6-2013), solved paper

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