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  9. Q75

RPF Constable (Executive) 2015 · Question 75 of 117

The length of a rectangular field is increased by 20% am breadth is decreased by 20% What is the per cent increase or decrease in its area ?

Mensuration

  1. A20% increase
  2. B4% decreaseCorrect
  3. C1 % increase
  4. DNo change

Answer: B. 4% decrease

Official answer key verified. Detailed explanation coming soon.

Source: Railway Protection Force (RPF/RPSF) Constable Exam Solved Question Paper (Held 15 Feb 2015) — Reasoning & Arithmetic (rrbexamportal) · reliable-secondary

← Q74View full paper (117 questions)Q76 →

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