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  9. Q161

RRB Technician (Grade I Signal + Grade III) 2018 · Question 161 of 213

In an alloy of German silver the ratio of copper to zinc was 17 : 7 while that of nickel to zinc was 4 : 3. The ratio of copper to zinc to nickel in the alloy was:

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  1. A17 : 21 : 4
  2. B51 : 21 : 28Correct
  3. C68 : 28 : 21
  4. D17 : 28 : 3

Answer: B. 51 : 21 : 28

Official answer key verified. Detailed explanation coming soon.

Source: RRB ALP & Technicians 2018 CBT-1: 10 Aug 2018, Shift 2 (cracku.in solved paper) · reliable-secondary

← Q160View full paper (213 questions)Q162 →

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