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Playing with Nu...

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  • Question 1
    1 / -0

    An integer which is not divisible by 2 is called a/an

  • Question 2
    1 / -0

    Which of the following is not a prime number ?

  • Question 3
    1 / -0

    Which of the following is not a composite number?

  • Question 4
    1 / -0

    Every composite number can be expressed (factorised) as a product of primes, and this factorisation is unique apart from the order in which the prime factors occur.

  • Question 5
    1 / -0

    The number of composite numbers between $$101$$ and $$120$$
    (excluding both) are

  • Question 6
    1 / -0

    The value of $$\textit x $$ in the factor tree is : (Blank Boxes has Multiplication symbol.)

  • Question 7
    1 / -0

    Which of the following is not a prime number ?

  • Question 8
    1 / -0

    The units digit of every prime number (other than $$2$$ and $$5$$) must be necessarily

  • Question 9
    1 / -0

    The total number of prime numbers between $$120$$ and $$140$$ is

  • Question 10
    1 / -0

    Which of the following is not a composite number?

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