Statements: 1. All cars are vehicles. 2. Some vehicles are not machines. Conclusions: I. Some cars are not machines. II. All vehicles are cars. Which conclusion(s) logically follow? MCQ with Answer and Explanation
Statements:
1. All cars are vehicles.
2. Some vehicles are not machines.
Conclusions:
I. Some cars are not machines.
II. All vehicles are cars.
Which conclusion(s) logically follow?
A. Both I and II follow
B. Only conclusion I follows
C. Only conclusion II follows
D. Neither I nor II follows
Answer: Option D
Solution (By JKSSB Mock Tests)
We know all cars are vehicles, but the vehicles that are not machines might be entirely outside the 'cars' circle. Therefore, Conclusion I is not definite. Conclusion II is a reverse of an 'All' statement, which is generally invalid. Neither follows.
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