Mathematical Reasoning & Induction · JEE Main previous year questions

2017 2 questions

1. Q302017 · 9 Apr 2017 · Shift 1

   Contrapositive of the statement ‘If two numbers are not equal, then their squares are not equal’, is :

   1. A.If the squares of two numbers are equal, then the numbers are equal.
   2. B.If the squares of two numbers are equal, then the numbers are not equal.
   3. C.If the squares of two numbers are not equal, then the numbers are not equal.
   4. D.If the squares of two numbers are not equal, then the numbers are equal.
   Show answer

   Answer: A

2. Q302017 · 8 Apr 2017 · Shift 1

   The proposition $(\sim p)\vee (p\wedge \sim q)$ is equivalent to :

   1. A.$p\vee \sim q$
   2. B.$p\to \sim q$
   3. C.$p\wedge \sim q$
   4. D.$q\to p$
   Show answer

   Answer: B