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7th Class Mathematics Simple Equations Question Bank Simple Equations

  • question_answer
    The figure shows the selling price of pens in a shop. Vimal paid Rs. 50 for the purchase of a few pens and received \[Rs.\text{ }0.50\]in change. How many pens did Vimal buy?

    A)  \[26\]                  

    B)         \[22\]  

    C)  \[19\]                                  

    D)  \[16\]

    Correct Answer: B

    Solution :

       Given that the cost of 5 pens is \[Rs.\,11.25,\] the number of pens purchased by Vimal \[=\frac{Rs.\,(50-0.50)}{Rs.\,11.25}\times 5\] \[=\frac{Rs.\,49.50}{Rs.\,11.25}\times 5=22\]


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