allery50 மாணவர்களின் வகுப்பில், 40% பெண்கள். எத்தனை பையன்கள் இருக்கிறார்கள்?
A30
B25
C20
D35
Answer & Solution
Correct answer: A. 30
1. பெண்கள் = 50 = 20 இல் 40%.
2. சிறுவர்கள் = 50 - 20 = 30.
3. எனவே 30 சிறுவர்கள் உள்ளனர்.
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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