8th Class Mathematics Squares and Square Roots Question Bank Square and Square Roots

  • question_answer 10) Find the least square number which is exactly divisible by each of the numbers 6, 9, 15 and 20.

    A)  32400   

    B)  16200          

    C)  8100                           

    D)  129600

    Correct Answer: A

    Solution :

    (a): LCM of 6, 9, 15, 20 \[6\times 9\times 15\times 20=16200\] MULTIPLES of 16200 are 32400, 48600 & C. \[32400={{\left( 180 \right)}^{2}}\] Answer is: 32400.          

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