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  5. Ratio and Proportion

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

  • question_answer
    In 5 minutes, Rohit can prepare 12 letters for mailing. At the same rate, how long will it take him to prepare 192 letters.

    A)  80 min                       

    B)  40 min        

    C)  20 min                       

    D)  90 min

    Correct Answer: A

    Solution :

    \[\because \] For 12 letters Rohit take 5 min. \[\therefore \]1 .............. \[\frac{5}{12}\]min \[\therefore \]\[192........\frac{5}{12}\times 192=80\,\,\min \]


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