चार संख्या युग्म दिए गए हैं, जिनमें से तीन किसी न किसी रूप में समान हैं और एक भिन्न है। उस संख्या युग्म का चयन कीजिये जो भिन्न है।

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SSC CGL 2020 Tier-I Official Paper 4 (Held On : 16 Aug 2021 Shift 1)
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  1. 21 ∶ 139
  2. 25 ∶ 167
  3. 15 ∶ 197
  4. 27 ∶ 181

Answer (Detailed Solution Below)

Option 3 : 15 ∶ 197
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तर्क है:

पहली संख्या × 7 - 8 = दूसरी संख्या

1. 21 ∶ 139 → 21 × 7 - 8 = 147 - 8 = 139

2. 25 : 167 → 25 × 7 - 8 = 175 - 8 = 167

3. 15 : 197 → 15 × 7 - 8 = 105 - 8 = 97 ≠ 197

4. 27 : 181 → 27 × 7 - 8 = 189 - 8 = 181

विकल्प 3 को छोड़कर, सभी विकल्प दिए गए तर्क का अनुसरण करते हैं। अत: विकल्प 3 भिन्न है।

अत:, '15 : 197' भिन्न है।

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