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7th Class Mathematics Comparing Quantities Question Bank Comparing Quantities

  • question_answer
    Kavleen invited 24 of her friends on her birthday party. In the party the ratio of boys and girls was \[3:5\](excluding Kavleen). Find the number of boys and girls invited by Kavleen on her birthday party.

    A)  9. 15              

    B)  7, 17  

    C)         10. 14         

    D)         6, 18              

    Correct Answer: A

    Solution :

    Let number of boys and girls be 3x and 5x respectively. According to question,                       \[3x+5x=24\Rightarrow 8x=24\Rightarrow x=3\] \[\therefore \]  Number of boys = 9                    Number of girls =15                   


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