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Railways PYQCBT 1 2016

RRB NTPC · Question 27

Two vessels of equal volume contain milk and water in the ratio 1 : 3 and 2 : 1. If they are mixed together, what is the new ratio?

  1. 11 : 13
  2. 13 : 11
  3. 9 : 11
  4. 11 : 9
Show answer & explanation

Answer: (A) 11 : 13

Explanation

Take each vessel as 1 unit. Milk = 1/4 + 2/3 = 11/12; water = 3/4 + 1/3 = 13/12. Ratio = 11 : 13.