RRB NTPC CBT-1 previous year question
The HCF and LCM of two positive integers are 36 and 7,560, respectively. If one of the numbers is 540, what is the other number?
Asked in RRB NTPC 2026 — 16 June Shift 1 · Quantitative Aptitude
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Correct answer: (D) 504
Since HCF*LCM = product of the two numbers, 36*7560 = 540*other number, so the other number = (36*7560)/540 = 272160/540 = 504.
हिंदी में प्रश्न
दो धनात्मक पूर्णाकों का महत्तम समापवर्तक और लघुत्तम समापवर्त्य क्रमशः 36 और 7,560 हैं। यदि इनमें से एक संख्या 540 है, तो दूसरी संख्या ज्ञात कोजिए।
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उत्तर और व्याख्या देखें
सही उत्तर: (D) 432
चूँकि HCF*LCM = दोनों संख्याओं का गुणनफल, 36*7560 = 540*दूसरी संख्या, अतः दूसरी संख्या = (36*7560)/540 = 272160/540 = 504।
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