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8th Class Mathematics Comparing Quantities Question Bank Commercial Mathematics

  • question_answer
    Mohan sold his watch for Rs. 190, thus bearing a loss of 5%. The cost price of the watch is

    A) Rs. 237.50       

    B)          Rs. 220

    C) Rs. 210          

    D)                      Rs. 200

    Correct Answer: D

    Solution :

        S.P. of watch = Rs. 90 Loss = 5% \[CP=\left( \frac{S.P\times 100}{100-L%} \right)\,=\left( \frac{190\times 100}{100-5} \right)\] \[=\frac{190\times 100}{95}\] C.P = Rs.  200


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