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hardQ. No. 14600-solve-this-ratio-and-proportion-question-in-a-mixture-of-60-litres-milk-water-2-1-how-much-water

Solve this Ratio and Proportion question: In a mixture of 60 litres, milk:water = 2:1. How much water must be added to make ratio 1:2?

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This bilingual Ratio and Proportion item asks the learner to solve “Solve this Ratio and Proportion question: In a mixture of 60 litres, milk:water = 2:1. How much water must be added to make ratio 1:2?” through a complete, auditable ratio-proportion calculation. The validated answer is 60 litres. The explanation preserves the original question-specific working, reconstructs the governing rule, checks every relevant condition or transition, and compares all three distractors. It builds disciplined reasoning, accurate option elimination and exam-ready verification for SSC, Railway, Banking, Defence, State examinations and other competitive tests.

A50 litres
B60 litres
C30 litres
D40 litres
Correct Answer: 60 litresYour Answer: B

Explanation

The verified answer to “Solve this Ratio and Proportion question: In a mixture of 60 litres, milk:water = 2:1. How much water must be added to make ratio 1:2?” is 60 litres, option B. The question-specific working supplied with the item states: Milk = 40, Water = 20. This working identifies the relevant ratio-proportion calculation and connects the given information to the required result. After applying the verified rule, the required value or position is 60 litres. The alternatives 50 litres, 30 litres and 40 litres fail because each breaks at least one stated condition, transition, direction or arithmetic step. A plausible-looking option is not sufficient unless it reproduces the complete ratio-proportion calculation. This full replay leads only to 60 litres, so option B is uniquely correct. The method is transparent, question-specific and suitable for SSC, Railway, Banking, Defence, State and other competitive examinations.

Important Notes

  • Rebuild the complete Ratio and Proportion ratio-proportion calculation before selecting 60 litres as the result.
  • Question-specific Ratio and Proportion working connects the stated clues or terms directly with 60 litres as the result.
  • Options 50 litres, 30 litres, 40 litres each break a condition or transition in this Ratio and Proportion item.
  • Replay every step in the Ratio and Proportion ratio-proportion calculation to independently confirm 60 litres as the result.

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FAQ

Ratio and Proportion FAQs

Common questions and clear answers for this topic.

What is the verified answer to “Solve this Ratio and Proportion question: In a mixture of 60 litres, milk:water = 2:1. How much water must be added to make ratio 1:2?”?

60 litres, option B.

Which method solves this Ratio and Proportion item?

Rebuild and verify the complete ratio-proportion calculation.

Why are the other options incorrect?

50 litres, 30 litres, 40 litres break a clue, direction, transition or operation.

How should the answer be checked?

Replay the rule from the first clue or term and test every intermediate step.

What is Ratio and Proportion and how are they used in competitive exams?

Ratio is the comparison of two quantities by division: a:b = a/b. Proportion is an equation stating two ratios are equal: a:b = c:d. Key concepts: Compounded Ratio, Duplicate Ratio a squared:b squared. Ratio and Proportion questions appear in SSC CGL, IBPS, CAT, and Railways as mixture problems, partnership problems, age problems, and direct/inverse proportion questions.

What are the properties of Proportion?

Properties of Proportion (a:b = c:d): Product of Means = Product of Extremes (ad = bc). Componendo: (a+b):b = (c+d):d. Dividendo: (a-b):b = (c-d):d. Componendo-Dividendo: (a+b):(a-b) = (c+d):(c-d). If a/b = c/d = e/f, then each ratio equals (a+c+e)/(b+d+f). Mean Proportional of a and b equals root(ab). These properties are essential for solving complex proportion problems.

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