RRB NTPC CBT-1 practice question
If three successive discounts of 20%, 10% and 5% are given on an item, find the total (single equivalent) discount percentage.
From a RRB NTPC CBT-1 Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (A) 31.6%
Let price = 100. After 20% off = 80. After 10% off = 72. After 5% off = 68.4. Total discount = 100 - 68.4 = 31.6%.
हिंदी में प्रश्न
यदि किसी वस्तु पर क्रमिक रूप से 20%, 10% और 5% की तीन छूट दी जाती हैं, तो कुल (समतुल्य एकल) छूट प्रतिशत ज्ञात करें।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 31.6%
मान लें मूल्य = 100। 20% छूट के बाद = 80। 10% छूट के बाद = 72। 5% छूट के बाद = 68.4। कुल छूट = 100 - 68.4 = 31.6%।
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