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6th Class Mathematics Ratio and Proportion Question Bank Ratio, Proportion & Unitary Method

  • question_answer
    26 Cartons of 15 pens each cost Rs. 2145. Find the cost of 40 Cartons of 18 pens.

    A)  Rs. 3960        

    B)  Rs. 3690

    C)  Rs. 3450                    

    D)  Rs. 3567

    Correct Answer: A

    Solution :

    \[26\times 15\]pens \[=Rs.2145\] \[\therefore \]1 pen \[=\frac{2145}{26\times 15}=\frac{11}{2}\] \[40\times 18\]pens \[=\frac{40\times 18\times 11}{2}=Rs.3960\]


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