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  9. Q2686

RRB Junior Engineer / DMS / CMA 2019 · Question 2686 of 3719

If 12 men and 6 boys can do a work in 4 days and 4 men and 14 boys can do the same work in 8 days, find the ratio of efficiency of a man to that of a boy.

  1. A2 : 11
  2. B2 : 5
  3. C3 : 7
  4. D11 : 2Correct

Answer: D. 11 : 2

Official answer key verified. Detailed explanation coming soon.

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

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