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1., , 12., , 13., , 15., , 16., , 17., , 18., , 19., , 20., , Probability, , 1 1 1 3, (a) = (b) = (©) x (a) z, In a lottery there were 90 tickets numbered 1 to 90. Five tickets were drawn at random. The probability that, two of the tickets drawn numbers 15 and 89 is, (a) 2/801 (b) 2/623 (©) 1/267 (a) 1/623, Two numbers are selected randomly from the set § = (1,2,3,4,5,6) without replacement one by one, The, probability that minimum of the two numbers is less than 4 is, (a) 1/15, (b) 14/15 (©) 1/5 (a) 4/5, Among 15 players, 8 are batsmen and 7 are bowlers. Find the probability that a team is chosen of 6 batsmen, and 5 bowlers, , [UPSEAT 2002], , , , , , @ > (d) None of these, 1, The probability of obtaining sum ‘8’ in a single throw of two dice, 1 4 6, @ 5 (b) ot @ &, , Three mangoes and three apples are in a box. If two fruits are chosen at random, the probability that one is a, mango and the other is an apple is, , @ 2 «) 3 © + (d) None of these, , A card is drawn at random from a pack of 100 cards numbered 1 to 100. The probability of drawing a number, which is a square is, [EAMCET 1989], , ot (@)_None of these, , A bag contains 5 white, 7 black and 4 red balls. Three balls are drawn from the bag at random. The probability, that all the three balls are white, is, , 3 3, (a) ie (b) 5, , (a) i (), , 1 1, OD @) <5, , , , Two dice are thrown together. The probability that at least one will show its digit 6 is, , u 36 5 1, a — b) — . — d) =, @ 436 OF © TF @ |, , The sum of two positive numbers is 100. The probability that their product is greater than 1000 is, , (a) 7/9 (b) 7/10 (©) 2/5 (a) None of these, ‘Two integers are chosen at random and multiplied. The probability that the product is an even integer is, (a) 1/2 (b) 2/3 (c) 3/4 (a) 4/5