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5th Class Mathematics Number System and its Operations Question Bank Number System

  • question_answer
    In number 97580, when the digits 7 and 5 as interchanged its place, then the difference between the original and the new number is

    A) 1800               

    B) 1080         

    C) 1008                           

    D) 1000

    Correct Answer: A

    Solution :

    Original number = 97580 New number = 95780 Reqd. difference = 97580 ? 95780 = 1800 LCM of 12, 16 and \[25=2\times 2\times 2\times 2\times 3\times 5\times 5=1200.\]        


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