IB ACIO Grade II previous year question
Cost of 5 pens and 5 pencils is ₹95; cost of 2 pens and 7 pencils is ₹43. Find cost of 9 pens and 4 pencils.
Asked in IB ACIO Grade II (16 Sep 2025 Shift 3) · Quantitative Aptitude
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Correct answer: (C) ₹166
5p+5q=95 → p+q=19. 2p+7q=43. From first, p=19−q; sub: 2(19−q)+7q=43 → 38+5q=43 → q=1, p=18. Cost of 9p+4q = 9×18+4×1 = 162+4 = 166.
हिंदी में प्रश्न
5 पेन और 5 पेंसिल की कीमत ₹95 है तथा 2 पेन और 7 पेंसिल की कीमत ₹43 है। 9 पेन और 4 पेंसिल की कीमत कितनी है?
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
उत्तर और व्याख्या देखें
सही उत्तर: (C) ₹166
5p+5q=95 → p+q=19। 2p+7q=43। पहले से p=19−q; रखने पर: 2(19−q)+7q=43 → 38+5q=43 → q=1, p=18। 9p+4q = 9×18+4×1 = 166।
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