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6th Class Mathematics Playing with Numbers Question Bank Playing with Numbers

  • question_answer
    The HCF and LCM of two numbers is 36 and 720 respectively. If one of the numbers is 180, the other number is _________.

    A)  144

    B)  120

    C)  80

    D)  64

    Correct Answer: A

    Solution :

    We have, one number =180 Let other number be x. Now, product of numbers \[\text{=HCF  }\!\!\times\!\!\text{  LCM}\] \[\Rightarrow 180\times x=36\times 720\] \[\Rightarrow x=\frac{36\times 720}{180}=144\]


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