Numbers questions and answers

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

Start Test 1

Numbers: key points

Number questions test divisibility, factors, remainders, digit properties and unit digits of powers.

  • Use divisibility rules before long division.
  • If a number is one less than a multiple, add one to reach divisibility.
  • Units digits of powers repeat in short cycles.

How to practise Numbers

Start with the key points, then take one Numbers 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.

Numbers online tests

Sample Numbers questions

  1. 1. What is the sum of the digits of 64?
    1. 9
    2. 8
    3. 10
    4. 11

    Reference: q-adc4c623-37 · Report this question

    Show answer and solution

    Answer: C. 10

    Add the tens and units digits: 6 + 4.
  2. 2. What remainder is left when 47 is divided by 3?
    1. 2
    2. 1
    3. 3
    4. 5

    Reference: q-3f69eb34-48 · Report this question

    Show answer and solution

    Answer: A. 2

    47 = 15 × 3 + 2.
  3. 3. Find the least number that should be added to 53 to make it divisible by 3.
    1. 2
    2. 1
    3. 4
    4. 3

    Reference: q-b43c6f7c-76 · Report this question

    Show answer and solution

    Answer: B. 1

    The number is one less than a multiple of 3, so add 1.

See all the questions of Test 1

Numbers: questions people ask

How many Numbers questions are there?

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

How long does a Numbers 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 Numbers 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.