UP Police Constable practice question
A shopkeeper has two articles, A and B, with cost prices ₹600 and ₹900 respectively (total CP = ₹1500). Article A is marked at ₹800 and sold after a 10% discount. He wants an overall profit of 18% on the combined cost price of both articles. If article B is marked at ₹1200, what discount percentage must he offer on B?
From a UP Police Constable Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (B) 12.5%
SP of A = 800 × 0.90 = ₹720. Target total SP for 18% overall profit on total CP ₹1500 = 1500 × 1.18 = ₹1770. So SP of B required = 1770 − 720 = ₹1050. Discount on B = MP − SP = 1200 − 1050 = ₹150. Discount% = (150/1200) × 100 = 12.5%.
हिंदी में प्रश्न
एक दुकानदार के पास दो वस्तुएँ A और B हैं जिनके क्रय मूल्य क्रमशः ₹600 और ₹900 हैं (कुल CP = ₹1500)। वस्तु A को ₹800 अंकित किया गया है और 10% छूट के बाद बेचा जाता है। वह दोनों वस्तुओं के संयुक्त क्रय मूल्य पर कुल मिलाकर 18% लाभ चाहता है। यदि वस्तु B को ₹1200 अंकित किया गया है, तो उसे B पर कितने प्रतिशत छूट देनी होगी?
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सही उत्तर: (B) 12.5%
A का SP = 800 × 0.90 = ₹720। कुल CP ₹1500 पर 18% कुल लाभ के लिए लक्ष्य कुल SP = 1500 × 1.18 = ₹1770। अतः B का आवश्यक SP = 1770 − 720 = ₹1050। B पर छूट = MP − SP = 1200 − 1050 = ₹150। छूट% = (150/1200) × 100 = 12.5%।
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