Q. If in a bits string of {0,1}, of length 4, such that no two ones are together. Then the total number of such possible strings are?

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Q. Let A: “010101”, B=?, If { A (Ex-or) B } is a resultant string of all ones then which of the following statement regarding B is correct?

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Q. Let P and Q be statements, then P<->Q is logically equivalent to __________

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Q. What is the negation of the statement A->(B v(or) C)?

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Q. The compound statement A-> (A->B) is false, then the truth values of A, B are respectively _________

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Q. The statement which is logically equivalent to A∧ (and) B is?

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Q. Let P: We give a nice overall squad performance, Q: We will win the match.
Then the symbolic form of “We will win the match if and only if we give a nice overall squad performance.“ is?

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Q. Let P, Q, R be true, false true, respectively, which of the following is true?

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Q. “Match will be played only if it is not a humid day.” The negation of this statement is?

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Q. Consider the following statements.

A: Raju should exercise.
B: Raju is not a decent table tennis player.
C: Raju wants to play good table tennis.

The symbolic form of “Raju is not a decent table tennis player and if he wants to play good table tennis then he should exercise.” is?

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Q. The statement (~P<->Q)∧~Q is true when?

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Q. Let P, Q, R be true, false, false, respectively, which of the following is true?

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Q. If there are ‘M’ switches in series numbered from 1, 2, …, M. For circuit to be complete and bulb to glow which of the following is necessary?

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Q. If there are ‘M’ switches in parallel numbered from 1, 2, …, M. For circuit to be complete and bulb to glow which of the following is necessary

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Q. If in a for it to be complete it is necessary for switch A to be closed and either of switch B or C to be closed, then which can be true?

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Q. Which of the following statements is the negation of the statements “4 is odd or -9 is positive”?

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Q. Which of the following represents: ~A (negation of A) if A stands for “I like badminton but hate maths”?

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Q. The compound statement A v ~(A ∧ B).

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Q. Which of the following is De-Morgan’s law?

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Q. What is the dual of (A ∧ B) v (C ∧ D)?

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