एक नैसर्गिक संख्या, जेव्हा 4, 5, 6 किंवा 7 ने विभाजित केली जाते तेव्हा प्रत्येक बाबतीत उर्वरित 3 बाकी असतात. अशा सर्व संख्यांपैकी सर्वात लहान संख्या काय आहे?

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RRB ALP CBT I 14 Aug 2018 Shift 3 Official Paper
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  1. 843
  2. 213
  3. 423
  4. 63

Answer (Detailed Solution Below)

Option 3 : 423
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दिल्याप्रमाणेः

संख्या = 4, 5, 6 किंवा 7

जेव्हा संख्येला वरील संख्यांनी भाग दिल्यासउर्वरीत बाकी = 3 

वापरलेली संकल्पना:

दिलेल्या संख्याचा लसावि शोधा.

लसावि- सर्वात लहान संख्या जी दिलेल्या संख्येद्वारे पूर्णपणे विभाजनीय असेल

उर्वरित बाकी 3 सोडणार्‍या संख्येचा शोध घेण्यासाठी, ती (लसावि+ 3) असेल

गणना:

4, 5, 6 आणि 7 चा लसावि = 7 × 5 × 3 × 2 × 2 = 420 

उर्वरित बाकी 3 सोडणारी संख्या 3 = 420 + 3 

⇒ 423

म्हणून योग्य उत्तर 423 आहे.

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