Mixtures questions and answers

20 questions in 2 online tests, each with its answer and a worked solution.

Start Test 1

Mixtures: key points

Mixture questions combine quantities with different prices, strengths or proportions.

  • Use weighted average when quantities are known.
  • Alligation compares the differences from the target average.
  • Removing a part of a uniform mixture leaves the same ratio.

How to practise Mixtures

Start with the key points, then take one Mixtures test without rushing. Review every explanation, note the steps you missed and repeat the topic against the clock. APTITUDE TESTER has 20 questions in 2 tests for this topic.

  • Read the method before attempting a timed test.
  • Record mistakes by type: concept, calculation or time management.
  • Return to the hardest questions after a day and try them again.

Continue with another Quantitative topic when your accuracy is steady.

Mixtures online tests

Sample Mixtures questions

  1. 1. In what ratio should liquids costing Rs. 18 and Rs. 36 per litre be mixed to get a mixture costing Rs. 28 per litre?
    1. 2 : 1
    2. 5 : 4
    3. 1 : 2
    4. 4 : 5

    Reference: q-d4d3252c-117 · Report this question

    Show answer and solution

    Answer: D. 4 : 5

    By alligation, cheaper : dearer = (36 − 28) : (28 − 18) = 4 : 5.
  2. 2. A vessel contains 48 litres of milk and 6 litres of water. What fraction of the mixture is milk?
    1. 9/8
    2. 8/9
    3. 8
    4. 1/9

    Reference: q-496aab4e-97 · Report this question

    Show answer and solution

    Answer: B. 8/9

    Milk fraction = milk / total = 48 / 54 = 8/9.
  3. 3. Milk and water are mixed in the ratio 5:4. If the mixture is 72 litres, how much milk is present?
    1. 40
    2. 43
    3. 42
    4. 39

    Reference: q-fe90ee11-98 · Report this question

    Show answer and solution

    Answer: A. 40

    Milk = 5 / (5 + 4) × 72 = 40 litres.

See all the questions of Test 1

Mixtures: questions people ask

How many Mixtures questions are there?

There are 20 Mixtures questions in 2 tests. Each test has its own page that lists the questions with their answers and solutions.

How long does a Mixtures test take?

A test of 10 questions has a time limit of 15 minutes, which is 90 seconds a question.

Is there negative marking?

Rules vary by set. The rules screen shows the time limit, marks, any wrong-answer penalty and calculator permission before you begin. Feedback mode has no time limit or negative marking.

Can I practise Mixtures without a time limit?

Yes. Choose practice mode: there is no clock, and the answer and solution appear as soon as you select an option.