IBPS RRB Officer Scale-I Prelims practice question
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the conclusions logically follow(s) from the statements. Statements: I. All dogs are flowers. II. All flowers are cars. Conclusions: I. All dogs are cars. II. All cars are dogs.
From a IBPS RRB Officer Scale-I Prelims Reasoning practice set · Reasoning
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Correct answer: (A) Only conclusion I follows
All dogs ⊆ all flowers ⊆ all cars, so 'All dogs are cars' definitely follows. The reverse ('All cars are dogs') is not guaranteed. Hence only conclusion I follows.
हिंदी में प्रश्न
दिए गए कथनों और निष्कर्षों को ध्यानपूर्वक पढ़िए। यह मानते हुए कि कथनों में दी गई जानकारी सत्य है, भले ही वह सर्वज्ञात तथ्यों से भिन्न प्रतीत होती हो, निर्णय कीजिए कि कौन-सा निष्कर्ष कथनों का तार्किक रूप से अनुसरण करता है। कथन: I. सभी कुत्ते फूल हैं। II. सभी फूल कारें हैं। निष्कर्ष: I. सभी कुत्ते कारें हैं। II. सभी कारें कुत्ते हैं।
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सही उत्तर: (A) केवल निष्कर्ष I अनुसरण करता है
सभी कुत्ते ⊆ सभी फूल ⊆ सभी कारें, अतः 'सभी कुत्ते कारें हैं' निश्चित रूप से अनुसरण करता है। इसका विलोम ('सभी कारें कुत्ते हैं') सुनिश्चित नहीं है। अतः केवल निष्कर्ष I अनुसरण करता है।
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