alleryएक संख्या 250 से घटकर 200 हो जाती है। प्रतिशत कमी ज्ञात कीजिए।
A15%
B20%
C25%
D50%
Answer & Solution
Correct answer: B. 20%
कमी = 250 - 200 = 50। प्रतिशत कमी = (50 / 250) * 100 = 20%।
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