New SIDBI Grade A New Batch Starts on Nov 18

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    Question

    In each question below are given two statements followed by two conclusions numbered I and II. You have to take the two 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 logically follows from the two given statements, disregarding commonly known facts. 

    Statements:       All mobile are laptop.

    All laptop are phone.

    Conclusions:       I. All laptop are mobile.

                                    II. All phone are mobile.

    A If only conclusion I follows Correct Answer Incorrect Answer
    B If only conclusion II follows Correct Answer Incorrect Answer
    C If either I or II follows Correct Answer Incorrect Answer
    D If neither I nor II follows Correct Answer Incorrect Answer

    Solution

    All mobile are laptop (A) ⇒ Conversion ⇒ Some laptop are mobile(I). Hence, conclusion I will not follow. All mobile are laptop (A) + All laptop are phone (A) ⇒ All mobile are phone (A). Hence, conclusion II will not follow.

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