8th Class Mathematics Related to Competitive Exam Question Bank Arithmetic

  • question_answer
    After deduction of 5% from a certain sum and then 10% from the remainder, a sum of Rs. 171 is left. The original sum was

    A) Rs. 200                

    B) Rs. 250

    C) Rs. 150                

    D) Rs. 300

    Correct Answer: A

    Solution :

    \[\text{Averagespeed=}\frac{\text{Total distance travelled}}{\text{Total time taken}}\] \[=Speed\times Time\text{ }taken\]Original sum \[\left( x+y \right)\]       


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