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The negation of the propostion q vv ~ ( ...

The negation of the propostion `q vv ~ ( p ^^ r)` is

A

` ~ q vv ~ ( p ^^ r)`

B

` ~ q vv ( p ^^ r)`

C

` ~ q ^^ ( p ^^ r)`

D

` ~ q ^^ ~ ( p ^^ r)`

Text Solution

Verified by Experts

The correct Answer is:
C
we have
` ~( q vv ~ ( p ^^ r)) cong ~ q ^^ ( ~ ( ~ ( p ^^ r))) cong q ^^ ( p ^^ r)`
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OBJECTIVE RD SHARMA ENGLISH-MATHEMATICAL REASONING -Section I - Solved Mcqs
  1. Negation of the statement pto(q^^r) is

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  2. Negation of the statement (p ^^ r) -> (r vv q) is-

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  3. The negation of the propostion q vv ~ ( p ^^ r) is

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  4. Which of the following is always true ?

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  5. Negation of the statement ~ p to (q vv r) is

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  6. The negation of the propostion " if a quadrillatcral is a square, then...

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  7. The contrapositive of (pvvq) to r is

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  8. The contrapositive of p to ( ~ q to ~ r) is

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

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

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

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  12. Which of the following is wrong?

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

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  14. Which of the following statements is a tautology ?

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

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

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

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

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

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  20. The statement ~(pharr ~q) is

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