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Define (i) rational numbers (ii) irratio...

Define (i) rational numbers (ii) irrational numbers (iii) real numbers.

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Knowledge Check

  • Assertion : 5-sqrt(2)=5-1.414=3.586 is an irrational number . Reason : The difference of a rational number and an irrational number is an irrational number .

    A
    If both assertion and reason are true and reason is the correct explanation of assertion .
    B
    If both assertion and reason are true but reason is not the correct explanation of assertion .
    C
    If assertion is true but reason is false.
    D
    If assertion is false but reason is true .

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    Multiplication of a non-zero rational number with an irrational number is an irrational number.

    Are the following statements true or false? Give reasons for your answers.(i) Every whole number is a natural number.(ii) Every integer is a rational number.(iii) Every rational number is an integer.

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    Which of the following statements are true and which are false? (i) Every whole number is a rational number. (ii) Every integer is a rational number. (iii) 0 is a whole number but it is not a rational number.

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