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    Question

    In the question below there are three statements

    followed by three conclusions I, II, and III. You have to take the three 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 three statements disregarding commonly known facts. Statements: Only a few Petrol is Diesel All Diesel is Pump No Pump is CNG Conclusions: I. Some Petrol can be Pump II. No Diesel is CNG III. Every CNG cannot be Petrol
    A Only Conclusion III follows Correct Answer Incorrect Answer
    B Only Conclusion II follows Correct Answer Incorrect Answer
    C Only Conclusion I and Conclusion III follow Correct Answer Incorrect Answer
    D Either conclusion II or conclusion III follows Correct Answer Incorrect Answer
    E All Conclusions I, II, and III follows Correct Answer Incorrect Answer

    Solution

    Only a few Petrol is Diesel (I) + All Diesel is Pump (A) → Some Petrol are Pump (I). Hence conclusion I does not follow. All Diesel is Pump (A) + No Pump is CNG (E) → No Diesel is CNG (E). Hence conclusion II follows. Only a few Petrol is Diesel (I) + No Diesel is CNG (E) → Some Petrol is not CNG (O) → Probable conclusion → Some CNG is Petrol (I). Hence conclusion III does not follow.

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