If x = 8y then (x - y) is What percent of x ? 

A  12.5 

B  87.5 

C  80% 

D  None 

Solution

Correct Answer: Option B

Solution: 

 প্রশ্নে বলা হচ্ছে, x = 8y হলে (x - y), x এর কত শতাংশ হবে ? 

ধরি, x = 100 

   100 = 8y 

 => y = 100/8 = 12.5 

      y = 12.5  

  অতএব, x - y = 100 - 12.5 = 87.5 

     (x - y), x এর \((\frac{{87.5}}{{100}} \times 100)\% \) = 87.5%  

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