ఒక సహజ సంఖ్య, 4, 5, 6 లేదా 7 ద్వారా విభజించబడినప్పుడు, ప్రతి సందర్భంలో  3 శేషం వస్తుంది. అలాంటి అన్ని సంఖ్యలలో అతి చిన్న సంఖ్య ఏది?

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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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Detailed Solution

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ఇచ్చినది:

సంఖ్యలు = 4, 5, 6 లేదా 7

సంఖ్యను పై సంఖ్యలతో విభజించినప్పుడు శేషం = 3

ఉపయోగించిన భావన:

ఇచ్చిన సంఖ్యల యొక్క క.సా.గు కనుగొనండి.

క.సా.గు - ఇచ్చిన సంఖ్యల ద్వారా పూర్తిగా విభజించబడే అతిచిన్న సంఖ్య

శేషం 3 ఇచ్చే సంఖ్యను కనుగొనటానికి, (క.సా.గు + 3)

లెక్కింపు:

4, 5, 6 మరియు 7 యొక్క క.సా.గు  = 7 × 5 × 3 × 2 × 2 = 420

శేషం 3 ఇచ్చే సంఖ్య = 430 + 3 = 423

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