alleryIf 15% of x is 45, find 25% of x.
A60
B65
C70
D75
Answer & Solution
Correct answer: D. 75
1. 15% of x = 45, so x = 45 * (100/15) = 300.
2. 25% of 300 = (25/100) * 300 = 75.
3. So 25% of x is 75.
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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