Question
In the question below there are three statements followed by three conclusions I, II and
III. You have to take the four given statements to be true even if they seem to be at variance from commonly known facts and then decide which of the given conclusions logically follows from the given statements disregarding commonly known facts. Statements: All Cycles are Buses. Some Bikes are Cycles. No Bus is Train. Conclusions:
I. Some Bikes are Buses is a possibility.
II. Some Cycles are Trains is a possibility.
III. Some Trains are Bikes.
Solution
Some Bikes are Cycles (I) + All Cycles are Buses (A) → Some Bikes are Buses (I). Hence conclusion I does not follow. All Cycles are Buses (A) + No Bus is Train (E) → No Cycles is a Train (E). Hence conclusion II does not follow. Some Bikes are Buses (I) + No Buses is Train (E) → Some Bikes are not Train (O). Hence conclusion III does not follow.
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