Logical Statement Validity

CMAT 2021 · Logical Reasoning · Medium · Logical Reasoning

The question below consists of a main statement followed by four options. Select the one that logically follows the main statement: 'If I drive a car, then it is a BMW or a Skoda.'

  1. A.

    I am driving a car, means that it is a BMW or a Skoda

  2. B.

    The car is neither BMW nor a Skoda, hence I do not drive a car

  3. C.

    I drive a car but it is not a Skoda, means it is a BMW

  4. D.

    All the above

Answer

D

Explanation

Statement: Drive   ⟹  \implies BMW or Skoda. A is direct conclusion. B is contrapositive: Not (BMW or Skoda)   ⟹  \implies Not Drive. C is disjunctive syllogism: Drive and Not Skoda   ⟹  \implies BMW. Hence, All the above.

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