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  9. Q89

RPF Constable (Executive) 2015 · Question 89 of 117

Average height of a class of 12 students is 180 cm. The average decreases to 179 cm when the height of the class teacher is also added. What is the height of the teacher?

Average

  1. A168 cm
  2. B167 cmCorrect
  3. C179. 5 cm
  4. D166 cm

Answer: B. 167 cm

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

← Q88View full paper (117 questions)Q90 →

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