Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 14

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Number of 'True' value in truth table of $~ p \lor q$ .

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Important Questions on Mathematical Reasoning

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 15

Negation of " $2 + 3 = 5$ and $8 < 10$ " is

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 16

Negation of "

A

is in class

X

or

B

is in class

X I I

" is

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 17

Truth value of the statement "If

p

then

q

" is false when

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 18

If $p :$ Ram is in class $X$

$q$ : Ram is intelligent

Then, the symbolic form Ram is in class $X$ and intelligent is

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 19

If

p :

A man is happy

q :

A man is rich

Then, the statement, "If a man is not happy, then he is not rich" can be written as

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 20

If the compound statement

p \to (~ p \lor q)

is false, then the truth values of

p

and

q

are respectively.

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 21

The contrapositive of $p \Rightarrow ~ q$ is

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Alpha Question Bank for Engineering: Mathematics>Chapter 22 - Mathematical Reasoning>Exercise-4>Q 22

Which of the following is tautology