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

  • question_answer
    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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