RRB Technician Grade 3 previous year question
A shopkeeper sold a book at a loss of 7%. If the selling price had been increased by ₹120, there would have been a gain of 17%. What was the cost price (in ₹) of the book?
Asked in RRB Technician Grade 3 (09 Mar 2026 Shift 3) · Quantitative Aptitude
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Correct answer: (A) 500
Let CP=x. SP at 7% loss = 0.93x; increasing SP by ₹120 gives 17% gain: 0.93x+120=1.17x, so 0.24x=120, x=₹500.
हिंदी में प्रश्न
एक दुकानदार ने एक पुस्तक 7% की हानि पर बेची। यदि विक्रय मूल्य में ₹120 की वृद्धि कर दी जाती, तो उसे 17% का लाभ होता। पुस्तक का क्रय मूल्य (₹ में) कितना था?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (A) 500
मान लीजिए CP=x। 7% हानि पर SP = 0.93x; SP में ₹120 की वृद्धि से 17% लाभ होता है: 0.93x+120=1.17x, अतः 0.24x=120, x=₹500।
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