8th Class Mathematics Direct and Inverse Proportions Question Bank Direct and Inverse Proportions

  • question_answer An agent receives a commission of Rs. 773,00 on sales of Rs. 1000.00. The commission he will get on sales of Rs. 100.00 is ______.

    A)  Rs. 7.30                     

    B)  Rs. 7.00         

    C)         Rs. 6.00         

    D)         Rs. 6.30         

    Correct Answer: A

    Solution :

    Let commission received be Rs. y.
    Sales 1000 100
    Commission 73 Y
    More in sales, more will be commission. So, it is direct proportion, Hence, \[1000\times y=73\times 100\] \[\Rightarrow y=\frac{73\times 100}{1000}\Rightarrow y=\text{Rs}.7.30\]

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