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1. $y^{2}$

A. 125%
B. 125%
C. 125%
D. 125%

Answer: Option C

Explanation:

প্রশ্নে বলা হচ্ছে, x = 63 % o f y হ ল ে y^{2}, x^{2} এ র কত শতাংশ হবে ? দেয়া আছে, x = 63 % o f y \Rightarrow x = \frac{63 y}{100} \Rightarrow 100 x = 63 y \Rightarrow \frac{y}{x} = \frac{100}{36} \Rightarrow {(\frac{y}{x})}^{2} = {(\frac{100}{63})}^{2} = (\frac{10000}{3969} \times 100) % = 251.95 % ∴ \frac{y^{2}}{x^{2}} = 250 % (প্রায়)

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