allery50 విద్యార్థుల తరగతిలో, 40% బాలికలు. ఎంత మంది అబ్బాయిలు ఉన్నారు?
A30
B25
C20
D35
Answer & Solution
Correct answer: A. 30
1. బాలికలు = 50 = 20లో 40%.
2. అబ్బాయిలు = 50 - 20 = 30.
3. కాబట్టి 30 మంది అబ్బాయిలు ఉన్నారు.
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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