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Examveda

If x 80% of y, then what percent of 2x is y ?

A. 40%

B. $$62\frac{1}{2}$$%

C. $$66\frac{2}{3}$$%

D. 80%

Answer: Option B

Solution(By Examveda Team)

x = 80% of y
⇒ x = $$\frac{80}{100}$$y
⇒ $$\frac{y}{x}$$ = $$\frac{5}{4}$$
⇒ $$\frac{y}{2x}$$ = $$\frac{5}{8}$$
∴ Required percentage :
$$\eqalign{ & = \left( {\frac{y}{{2x}} \times 100} \right)\% \cr & = \left( {\frac{5}{8} \times 100} \right)\% \cr & = 62\frac{1}{2}\% \cr} $$

This Question Belongs to Arithmetic Ability >> Percentage

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