AP Police SI previous year question
Sum of 3 numbers is 13680. First = 3/5 of third; second:third = 4:7. First number is
Asked in AP Police SI Prelims: 2018 (Paper I & II) · Quantitative Aptitude
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Correct answer: (B) 3,780
Let third = 7k, second = 4k, first = 21k/5. Sum: 21k/5 + 11k = 13680 → 76k/5 = 13680 → k = 900. First = 21×900/5 = 3780.
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हिंदी में प्रश्न
3 संख्याओं का योग 13680 है। पहली संख्या तीसरी की 3/5 है; दूसरी:तीसरी = 4:7 है। पहली संख्या है
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सही उत्तर: (B) 3,780
मान लें तीसरा = 7k, दूसरा = 4k, पहला = 21k/5। योग: 21k/5 + 11k = 13680 → 76k/5 = 13680 → k = 900। पहला = 21×900/5 = 3780।
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