AP Police SI previous year question
Least multiple of 7 leaving remainder 4 when divided by 6,9,15,18 is
Asked in AP Police SI Prelims: 2018 (Paper I & II) · Quantitative Aptitude
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Correct answer: (C) 364
LCM(6,9,15,18)=90. Need 90k+4 divisible by 7 → k≡4 (mod 7), smallest k=4. Number = 364.
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हिंदी में प्रश्न
7 का वह न्यूनतम गुणज जो 6, 9, 15, 18 से विभाजित करने पर शेषफल 4 देता है, वह है
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उत्तर और व्याख्या देखें
सही उत्तर: (C) 364
LCM(6,9,15,18)=90. 90k+4 को 7 से विभाज्य होने के लिए → k≡4 (mod 7), सबसे छोटा k=4. संख्या = 364.
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