allery50 വിദ്യാർത്ഥികളുടെ ഒരു ക്ലാസ്സിൽ, 40% പെൺകുട്ടികളാണ്. എത്ര ആൺകുട്ടികളുണ്ട്?
A30
B25
C20
D35
Answer & Solution
Correct answer: A. 30
1. പെൺകുട്ടികൾ = 20 = 50 ൽ 40%.
2. ആൺകുട്ടികൾ = 50 - 20 = 30.
3. അങ്ങനെ 30 ആൺകുട്ടികൾ ഉണ്ട്.
_Source: SSC CGL Quantitative Aptitude (Percentages), R.S. Aggarwal style and standard practice_
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