SBI Clerk Prelims practice question
In a three-digit number, the product of the digits is 60 and the sum of the digits is 13. If the hundreds digit is greater than the tens digit, which is greater than the units digit, find the number.
From a SBI Clerk Prelims Quantitative Aptitude practice set · Quantitative Aptitude
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Correct answer: (D) 652
We need three digits h>t>u with h+t+u=13 and h.t.u=60. Testing combinations of factors of 60 that sum to 13: 6x5x2=60 and 6+5+2=13. Since h>t>u, h=6, t=5, u=2. Number=652.
हिंदी में प्रश्न
एक तीन अंकों की संख्या में अंकों का गुणनफल 60 है और अंकों का योग 13 है। यदि सैकड़ा का अंक दहाई के अंक से बड़ा है, जो इकाई के अंक से बड़ा है, तो संख्या ज्ञात कीजिए।
उत्तर जाँचने के लिए किसी विकल्प पर टैप करें।
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सही उत्तर: (D) 652
हमें तीन अंक h>t>u चाहिए जिनके लिए h+t+u=13 और h.t.u=60 हो। 60 के गुणनखंडों के संयोजन जाँचने पर जिनका योग 13 है: 6x5x2=60 और 6+5+2=13। चूँकि h>t>u, अतः h=6, t=5, u=2। संख्या=652।
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