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SSC Sample Paper SSC CGL - Sample Paper-8

  • question_answer
    Numbers 1, 2, 3, 4, .......98, 99,100 are multiplied together. The number of zeroes at the end of the product on the right will be equal to

    A)  24                   

    B)  22

    C)  21                               

    D)  11

    Correct Answer: A

    Solution :

    When the unit's digit of two numbers be an even number and 5 of 0, then their product gives zero at unit's place. \[\therefore \] Number of zeros in the product of 1, 2, 3,.... and 100             \[=\frac{100}{5}+\frac{100}{{{5}^{2}}}=20+4=24\] 


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