10th Class Mathematics Arithmetic Progressions Question Bank Arithmetic Progressions

  • question_answer
    Find the sum of the numbers in between 1 and 1000 which are divisible by 9.

    A)  55944                                  

    B)  54954

    C)  99994                  

    D)         99894

    Correct Answer: A

    Solution :

     \[\text{256}=\text{8}\times \text{32}+0\] \[3465={{3}^{2}}\times 5\times 7\times 11\] \[\text{546}0=\text{22}\times \text{3}\times \text{5}\times \text{7}\times \text{l3}\] \[\therefore \] \[={{2}^{2}}\times {{3}^{2}}\times 5\times 7\times 11\times 13=180180\] \[\therefore \]


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