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Mathematical Re...

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  • Question 1
    1 / -0

    The negation of the proposition “if a quadrilateral is a square, then it is a rhombus “ is

  • Question 2
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    The contrapositive of (p ∨ q) → r  is

  • Question 3
    1 / -0

    The contrapositive of p → (∼ q → ∼ r) is

  • Question 4
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    The contrapositive of the statement “ if 22 = 5, then I get first class” is

  • Question 5
    1 / -0

    If x = 5 and y = - 2 , then x – 2y = 9 . The contrapositive of this proposition is

  • Question 6
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    “If the figure is a rhombus then the diagonals  are perpendicular “. The contrapositive of the above statement is

  • Question 7
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    Which of the following statement is a tautology ?

  • Question 8
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    The statement p→ (q → p) is equivalent to

  • Question 9
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    The inverse of the proposition (p ∧ ∼ q ) → r is

  • Question 10
    1 / -0

    Logical equivalent proposition to the proposition ∼ (p ∨ q) is

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