AP Police SI previous year question
A company made 100 triangular metal sheets in orange, white, yellow in ratio 2:3:5; each triangle's sides in ratio 3:4:5 with perimeter 48 units. Costs per sq. unit: Rs.5, 2.50, 4 respectively. Total cost (Rs.) is
Asked in AP Police SI Prelims: 2023 (Paper I & II) · Quantitative Aptitude
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Correct answer: (B) 36,000
Scale factor = 48/12 = 4, sides = 12,16,20 (right triangle). Area per sheet = ½×12×16 = 96 sq units. Counts: orange 20, white 30, yellow 50. Cost = 20×96×5 + 30×96×2.5 + 50×96×4 = 9600+7200+19200 = 36,000.
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हिंदी में प्रश्न
एक कंपनी ने नारंगी, सफेद और पीले रंग की 100 त्रिकोणीय धातु की चादरें 2:3:5 के अनुपात में बनाईं; प्रत्येक त्रिभुज की भुजाओं का अनुपात 3:4:5 है और परिमाप 48 इकाई है। प्रति वर्ग इकाई लागत क्रमशः रु.5, 2.50, 4 है। कुल लागत (रु.) है
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सही उत्तर: (B) 36,000
स्केल गुणक = 48/12 = 4, भुजाएं 12,16,20 (समकोण त्रिभुज)। प्रति शीट क्षेत्रफल = ½×12×16 = 96 वर्ग इकाई। संख्या: नारंगी 20, सफेद 30, पीला 50। लागत = 20×96×5 + 30×96×2.5 + 50×96×4 = 9600+7200+19200 = 36,000।
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