JEE MATHEMATICS MCQ: MATHEMATICAL REASONING

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Contrapositive of the statement.

If a number is divisible by 9 , then it is divisible by 3 , is

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Correct option: A

If a number is not divisible by 3 , it is not divisible by 9 .

Option A (If a number is not divisible by 3, it is not divisible by 9) is the correct contrapositive of the given statement.

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p:A

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{F_1}(A,\,B,\,C) = \left( {A \wedge \sim B} \right) \vee \left[ { \sim C \wedge \left( {A \vee B} \right)} \right] \vee \sim A

{F_2}(A,\,B) = \left( {A \vee B} \right) \vee (B \to \, \sim \,A)

p

n

q:

n

p \Leftrightarrow q