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Consider the following statements. p :...

Consider the following statements.
p : if 7 is an odd number , then 7 is divisible by 2.
Q : If 87 is a prime number , then 7 is an odd number .
if ` V_(1)` is the truth value of contrapositive of p and `V _(2)` is the truth value of conirapositive of Q, then the ordered pair `( V_(1) , V_(2))` equals.

A

( F,T)

B

(T,F)

C

( F,F)

D

(T,T)

Text Solution

Verified by Experts

The correct Answer is:
B

Statement p is false and statement Q is true. Thereforem ` V_(1) nad V_(2) =F` . Hence, ` ( V_(1) , V_(2)) = ( T,F)`
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OBJECTIVE RD SHARMA-MATHEMATICAL REASONING -Section I - Solved Mcqs
  1. The contrapositive of p to ( ~ q to ~ r) is

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  2. The contrapositive of the statement "if 2^(2) =5 then I get first cla...

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  3. If x = 5 nad y = -2 , then x -2y =9, the contrapositive of this propos...

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  4. The diagonals of a rhombus are perpendicular. The contrapositive of th...

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  5. Which of the following is wrong?

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  6. The symbolic form of logic of the circuit given below is : (RDSMATH...

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  7. Which of the following statements is a tautology ?

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  8. The statement p to(q to p) is equivalent to

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  9. Let S be non-empty subset of R. consider the following statement: P:...

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  10. Consider the following statements P: Suman is brilliant Q: Suman i...

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  11. The only statement among the following i.e. a tautology is

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  12. Let p and q be two statements. Amongst the following , the statement t...

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  13. The statement ~(p harr ~q) is

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  14. The negation of ~ svv(~ r^^s) is equivalent to :

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  15. The Bolean Expression ( p ^^ ~ q) vv q vv ( ~ p ^^ q vv ( ~ p ^^ q) ...

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  16. Consider the following statements. p : if 7 is an odd number , then ...

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  17. The negation of A to (A vv ~ B) is

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  18. The following statement (p to q) to [(~p to q) to q] is

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  19. Which of the following is a tautology ?

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  20. The proposition ~p vv( p ^^ ~ q) is equivalent to

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