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SSC Sample Paper Mock Test-8 SSC CGL Tear-II Paper-1

  • question_answer
    A number of boys raised Rs. 400 for a famine relief fund each boy giving as many 25 paise coins as there were boys. The number of boys was

    A) 40        

    B)  16

    C)  20

    D)  100

    Correct Answer: A

    Solution :

    Let the number of boys = x \[\therefore \] Number of 25 paise coins = x According to question \[\frac{25}{100}\times {{x}^{2}}=400\] \[\Rightarrow \]   \[\frac{{{x}^{2}}}{4}=400\]\[\Rightarrow \]\[{{x}^{2}}=1600\] \[\Rightarrow \]   \[x=\sqrt{1600}=40\]


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