The height of a right-circular cone was errantly increased by 200%, while its radius was decreases by 50%. The faulty volume obtained was what percent more or less than the original volume?
एक लम्ब वृत्तीय शंकु की ऊँचाई में गलती से 200 प्रतिशत की वृद्धि कर दी गई, जबकि इसकी त्रिज्या में 50% की कमी कर दी गई। प्राप्त दोषपूर्ण आयतन, मूल आयतन से कितने प्रतिशत अधिक या कम था?
25% कमी
25% वृद्धि
20% वृद्धि
15% कमी
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