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7th Class Mental Ability Ratio and Proportion Question Bank Ratio And Proportion

  • question_answer
    The cost of two books is in the ratio 3 : 5. If the cost of each of them increase by Rs. 20, the ratio is altered to 13 : 21. What is the initial cost of the two books?

    A)  Rs. 240, Rs. 450        

    B)  Rs.240, Rs. 400

    C)  Rs. 250, Rs. 400

    D)  Rs. 280, Rs. 300

    Correct Answer: B

    Solution :

    Not Available


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