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  • Question 1
    1 / -0

    The number $$10$$ has four factors: $$1,2, 5$$ and $$10$$. The table below lists the number of factors for some numbers

    NumbersNumber of factors
    $$21$$$$4$$
    $$23$$$$2$$
    $$25$$$$3$$
    $$27$$$$4$$
    $$29$$$$2$$
    From this, we can say that the number of prime numbers between $$20$$ and $$30$$ is:

  • Question 2
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    Which of the following number is composite?

  • Question 3
    1 / -0

    Number which is divisible by 5 is

  • Question 4
    1 / -0

    The number of composite number between $$101$$ and $$120$$ are 

  • Question 5
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    A number is divisible by 4 if the number formed by the digits in ............. places is divisible by 4

  • Question 6
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    A number is divisible by 8 if the number formed by the digit in ............. place is divisible by 8.

  • Question 7
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    A number is divisible by 9 if the sum of the digits of the number is divisible by ............

  • Question 8
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    Number which is divisible by 2 is

  • Question 9
    1 / -0

    7248 is divisible by __________.

  • Question 10
    1 / -0

    HCF of $$36$$ and $$144$$ is ______.

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