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  5. Ratio and Proportion

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

  • question_answer
    The cost of 5 Mental ability books is Rs. 90. What will be the cost of 8 such books?

    A)  Rs. 124          

    B)  Rs. 144        

    C)  Rs. 140                      

    D)  Rs. 145

    Correct Answer: B

    Solution :

    Cost of 5 books = Rs. 90 Cost of 1 book \[=\frac{90}{5}=Rs.18\]Rs. 18 Cost of 8 Books \[=Rs.18\times 8=Rs.144\]


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