alleryदो बार के बीच एक मान 250 से घटकर 200 हो जाता है। प्रतिशत कमी क्या है?
A15 प्रतिशत
B20 प्रतिशत
C25 प्रतिशत
D50 प्रतिशत
Answer & Solution
Correct answer: B. 20 प्रतिशत
250 के मूल मान पर 50 की कमी हुई है, जो 20 प्रतिशत के बराबर है।
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