If x is 80% of y, then what percent of 2x is y?
Correct Answer: Option D
x = 80 % of y
=> x =(80 \(\div\) 100 )y
=> y \(\div\) x = 5 \(\div\) 4
Required percentage = [(y \(\div\) 2x) \(\times\) 100] % = (5 \(\div\) 8 \(\times\) 100) % =62.5%
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