एक परीक्षा में 70% छात्र उत्तीर्ण हुए। यदि 90 छात्र अनुत्तीर्ण हो गए, तो कुल छात्रों की संख्या ज्ञात कीजिए।
A300
B250
C200
D350
Answer & Solution
Correct answer: A. 300
1.
यदि 70% उत्तीर्ण हुआ, तो 30% अनुत्तीर्ण हुआ।
2.
30% कुल = 90, तो कुल = 90 * (100/30).
3.
= 300.
4.
तो 300 छात्रों ने परीक्षा दी।
_स्रोत: एसएससी सीजीएल मात्रात्मक योग्यता (प्रतिशत), R.S।
अग्रवाल शैली और मानक अभ्यास_
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