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Quiz: Number System

5 questionsNo time limitPass: 60%+10 XP on first pass

The base of all aptitude. Learn the types of numbers, quick divisibility rules, how to find the last digit of huge powers, and remainder tricks.

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  1. Question 1

    Which of these is a prime number?

  2. Question 2

    If 3 4 k 6 is divisible by 3, which value of k works?

  3. Question 3

    What is the unit digit of 3²⁰²⁶?

  4. Question 4

    What is the remainder when 47 × 52 is divided by 5?

  5. Question 5

    Which number is divisible by 11?