Question

    Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at variance with commonly known facts, decide which of the given conclusions logically follow(s) from the statements.

    Statements:

    All monitors are programmes.

    All programmes are languages.

    Some levels are languages.

    Conclusions:

    I. Some languages are monitors.

    II. Some levels are programmes.

    III. All programmes are monitors.

    A Only conclusion I follows Correct Answer Incorrect Answer
    B Only conclusions I and II follow Correct Answer Incorrect Answer
    C Only conclusions I and III follow Correct Answer Incorrect Answer
    D Only conclusions II and III follow Correct Answer Incorrect Answer

    Solution

    All monitors are programmes (A) + All programmes are languages (A) → All monitors are languages (A) → Conversion → Some languages are monitors (I). Hence conclusion I follows. Some levels are languages (I) + [All programmes are languages (A) → Conversion] → Some languages are programmes (I) → No conclusion. Hence conclusion II does not follow. All monitors are programmes (A) → Conversion → Some programmes are not monitors (I). Hence conclusion III does not follow.

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