New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    In each question below there are four statement followed by three conclusion numbered 1,2 and 3. You have to take the four given statements to be true even if they seem to be at variance with commonly known facts and then decide which of the given conclusions does not follows from the four given statements, disregarding commonly known facts.

    Statements- 1. All phones are wires. 2.

    All switches are wires. 3. Some wires are poles. 4. Some poles are not phones. Conclusion- 1. All switches are poles is a possibility. 2. Some poles are not wire. 3. Some poles being phone is a possibility.
    A Only I does not follow. Correct Answer Incorrect Answer
    B Only II does not follow. Correct Answer Incorrect Answer
    C Only III does not follow. Correct Answer Incorrect Answer
    D None are follows. Correct Answer Incorrect Answer
    E None of these. Correct Answer Incorrect Answer

    Solution

    All switches are wires (A) + Some wires are poles(I) ⇒ Probable conclusion ⇒ Some switches are poles (I) ⇒ Probable conclusion ⇒ All switches are poles is a possibility. Hence conclusion I follows. Some wires are poles(I) ⇒ Comversion ⇒ Some poles are wire(I). Hence conclusion II does not follow. Some poles are not phones(O) ⇒ Probable conclusion ⇒ Some poles being phone is a possibility(I). Hence conclusion III follows. Alternate Method:

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