Q. An example of a tautology is:

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Q. The preposition (p→q) ˄ (~q˅p) is equivalent to:

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Q. If the proposition 7P⇒Q is true, then the truth value of the proposition 7PV(P⇒Q) is:

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Q. Which of the following checks cannot be carried out on the input data to a system ?

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Q. A fact in prolog is a special case of a:

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Q. Natural objects can be realistically modeled using:

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Q. An agent can improve its performance by

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Q. Which of the following is true for semi-dynamic environment?

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Q. In Artificial Intelligence (AI), an environment is uncertain if it is ..............

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Q. In Artificial Intelligence (AI), a simple reflex agent selects actions on the basis of ...................

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Q. In heuristic search algorithms in Artificial Intelligence (AI), if a collection of admissible heuristics h1.......hm is available for a problem and none of them dominates any of the others, which should we choose?

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Q. Consider following sentences regarding A*, an informed search strategy in Artificial Intelligence (AI).

(a) A* expands all nodes with f(n) < C*.
(b) A* expands no nodes with f(n) /C*.
(c) Pruning is integral to A*.

Here, C* is the cost of the optimal solution path.
Which of the following is correct with respect to the above statements?

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Q. Consider a vocabulary with only four propositions A, B, C and D. How many models are there for the following sentence?

B V C

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Q. Consider the following statements :

(a) False╞ True
(b) If α╞ (β ∧ γ) then α╞ β and α╞ γ.

Which of the following is correct with respect to the above statements?

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Q. Consider the following English sentence:

“Agra and Gwalior are both in India”.

A student has written a logical sentence for the above English sentence in First-Order Logic using predicate In(x, y), which means x is in y, as follows:

In(Agra, India) V In(Gwalior, India)

Which one of the following is correct with respect to the above logical sentence?

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Q. Consider the following two sentences:

(a) The planning graph data structure can be used to give a better heuristic for a planning problem.
(b) Dropping negative effects from every action schema in a planning problem results in a relaxed problem.

Which of the following is correct with respect to the above sentences?

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Q. Consider the set of all possible five-card poker hands dealt fairly from a standard deck of fifty-two cards. How many atomic events are there in the joint probability distribution?

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Q. In Artificial Intelligence (AI), which agent deals with happy and unhappy state?

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Q. If b is the branching factor and m is the maximum depth of the search tree, what is the space complexity of greedy search?

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Q. Let P, Q, R and S be Propositions. Assume that the equivalences P⇔(Q∨¬Q) and Q⇔R hold. Then the truth value of the formula (P∧Q)⇒((P∧R)∨S) is always :

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