8th Class Mathematics Percentage Question Bank Percentage, Profit and Loss

  • question_answer 1) 72% of 25 students are good at mathematics. How many students are not good at it?

    A)  8                                

    B)  10

    C)  12                             

    D)  7

    Correct Answer: D

    Solution :

    (d): 72% are good \[\Rightarrow Not\text{ }good=28%\] Now 28% of \[25=\frac{28}{\cancel{100}}\times \cancel{25}=7\]

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