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In a hostel, 40% of the students play cricket, 20% play chess and 10% both. If a student is selected at random, then the probability that he plays cricket or chess is:

(A) 1/2
(B) 1/4
(C) 3/5
(D) 4/7

Two cards are drawn at random from a pack of 52 cards. What is the probability that either both are Red or both are king?

(A) 19/221
(B) 55/221
(C) 55/190
(D) 52/221

What is the probability of the occurrence of a number that is even or less than 3 when a fair die is rolled.

(A) 2/3
(B) 3/2
(C) 5/6
(D) 6/5

Consider the example of finding the probability of selecting a red card or a 9 from a deck of 52 cards.

(A) 7/13
(B) 13/7
(C) 26/15
(D) 15/26

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