8th Class Mathematics Rational Numbers Question Bank Numbers

  • question_answer
    DIRECTIONS: Following questions consist of two statements, one labelled as the ?Assertion (A)? and the other as ?Reason (R)?. You are to examine these two statements carefully and select the answer to these items using the code given below. Assertion: LCM 404 and 96 is 9696 Reason: If a and b are two positive integers then LCM of a and b  \[\text{=}\frac{\text{HCF of a and b}}{\text{a }\!\!\times\!\!\text{ b}}\]

    A) Both A and R are individually true and R is the correct explanation of A:

    B) Both A and R are individually true but R is not the correct explanation of.

    C) A is true but R is false

    D) A is false but R is true.

    Correct Answer: C

    Solution :

     \[404={{2}^{2}}\times 101\] \[96={{2}^{5}}\times 3\] \[HCF={{2}^{2}}=4\]                  \[LCM=\frac{404\times 96}{4}=101\times 96=9696\] Hence, Assertion is true but Reason is not true


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