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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: No platinum is gold. Some platinum are silver At least some silver are diamond. Conclusions: I. Some platinum are diamond. II. No gold is silver. III. Some gold being diamond is a possibility.
      A Only conclusion I and conclusion II follow Correct Answer Incorrect Answer
      B Only conclusion III follows Correct Answer Incorrect Answer
      C Only conclusion II and conclusion III follow Correct Answer Incorrect Answer
      D Only conclusion II follows Correct Answer Incorrect Answer
      E All conclusions I, II and III follow Correct Answer Incorrect Answer

      Solution

      Some platinum are silver (I) + At least some silver are diamond (I) → No conclusion. Hence conclusion I does not follow. Some platinum are silver (I) → Conversion → Some silver are platinum (I) + No platinum is gold (E) → Some silver are not gold (O). Hence conclusion II does not follow. At least some silver are diamond (I) → Conversion → Some diamond are silver (I) + Some silver are not gold (O) → Probable conclusion → Some gold may be diamond (I). Hence conclusion III follows.

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