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  9. Q2832

RRB Junior Engineer / DMS / CMA 2019 · Question 2832 of 3719

P and Q working individually can finish a job in x and y days respectively. P starts the work and they both work on alternate days and the job is finished in 7 days. If Q starts the work and with P working on alternate days. the work gets over in 6 $$\frac{3}{4} $$days. Compare the efficiencies of P and Q.

  1. AQ's Efficiency =75% P's Efficiency
  2. BP's Efficiency =75% Q's EfficiencyCorrect
  3. CP's Efficiency =55% Q's Efficiency
  4. DP's Efficiency:55% Q's Efficiency=2:3

Answer: B. P's Efficiency =75% Q's Efficiency

Official answer key verified. Detailed explanation coming soon.

Source: RRB JE 2019 CBT-1 (2-June-2019 Shift 3) — cracku.in solved paper with answer key · reliable-secondary

← Q2831View full paper (3719 questions)Q2833 →

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