WBCS.LIVE practice question

In a mixture ratio of first and second liquid is 2 : 3 and in another mixture ratio of those two liquids is 5 : 4. Ratio in which the two mixtures be mixed so that quantity of two liquids in the new mixture be equal is

Solve this multiple-choice question and check the correct answer with its explanation below.

Answer options

  1. 2 : 5
  2. 3 : 7
  3. 5 : 9
  4. 9 : 11

Correct answer and explanation

Correct answer: 9 : 11

Explanation: Correct Answer: D) 9 : 11📚 Explanation: To make the quantities equal in the new mixture, we use the rule of alligation on one of the liquids. We compare the fractions of the first liquid (2/5 and 5/9) to the desired target of 1/2. The calculated difference gives the mixing ratio of 9 : 11.