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  9. Q442

RRB Junior Engineer / DMS / CMA 2015 · Question 442 of 480

P and Q can do a piece work in 15 days, Q and R in 12 days and R and P in 20 days. The number of days required for R to complete the same work is

  1. A60
  2. B50
  3. C30Correct
  4. D20

Answer: C. 30

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 28-August Shift question paper with solutions — splessons.com · reliable-secondary

← Q441View full paper (480 questions)Q443 →

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