यदि किसी पुस्तक की कीमत Rs 80 से बढ़कर Rs 100 हो जाए, तो प्रतिशत वृद्धि क्या है?
A15%
B25%
C20%
D30%
Answer & Solution
Correct answer: B. 25%
1.
बढ़ोतरी = 100 - 80 = Rs 20.
2.
प्रतिशत वृद्धि = (वृद्धि / मूल कीमत) * 100।
3.
= (20 / 80) * 100.
4.
= 25%.
5.
तो कीमत 25% बढ़ गई।
_स्रोत: एसएससी सीजीएल मात्रात्मक योग्यता (प्रतिशत), R.S।
अग्रवाल शैली और मानक अभ्यास_
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