Question : If 49% of X = Y, then Y% of 50 is:
Option 1: 40% of Y
Option 2: 24.5 % of Y
Option 3: 50 % of X
Option 4: 24.5% of X
Correct Answer: 24.5% of X
Solution :
$49$% of $X = Y$
⇒ $Y = \frac{49}{100}×X$
So, $Y$% of $50 = \frac{Y}{100}×50=\frac{\frac{49}{100}×X}{100}×50=0.245X$
Required percentage = $0.245X×100$% = $24.5$% of $X$
Hence, the correct answer is 24.5% of X.
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