1) 7/13 2) 11/15 3) 12/13 4) None of these Solution: Option (3) 12/13 Total cases = 15C11 Favourable cases... View Article
1) 1/5! 2) 50!/55! 3) 1/505 4) None of these Solution: Option (1) 1/5! 5 Volumes of Mathematics books among... View Article
1) 2/3 2) 3/5 3) 1/3 4) None of these Solution: Option (2) 3/5 Total number of fruits in a... View Article
1) 3/8 2) 5/8 3) 6/8 4) 10/20 Solution: Option (2) 5/8 Total number of balls = 8 Total number... View Article
1) 12/35 2) 6/35 3) 4/35 4) None of these Solution: Option (1) 12/35 Total number of balls = 15... View Article
1) 14/95 2) 7/95 3) 1/95 4) None of these Solution: Option (1) 14/95 Total number of tickets = 20... View Article
1) 2/n 2) 1/n 3) 2/(n-1)! 4) None of these Solution: Option (1) 2/n We can arrange n cadets in... View Article
1) p1 = p2 2) p1 < p2 3) p1 > p2 4) None of these Solution: Option (3) p1... View Article
1) 5/1296 2) 5/1944 3) 5/2592 4) None of these Solution: Option (3) 5/2592 Given that, a cube has 4... View Article
1) 1/6 2) 5/6 3) 1/3 4) None of these Solution: Option (1) ? Let Ai be the event that... View Article
1) 3/5 2) 2/5 3) 4/5 4) 1/5 Solution: Option (3) 4/5 Total cases = 10!/2! Total ways that the... View Article
1) 64/5525 2) 16/5525 3) 128/5525 4) 64/625 Solution: Option (2) 16/5525 Total number of cards = 52. Total cases... View Article
1) 2/3 2) 2/7 3) 1/2 4) 3/4 Solution: Option (3) ½. Total ways to form 3 digit numbers using... View Article
1) 1/42 2) 41/42 3) 2/63 4) 1/7 Solution: Option (2) 41/42 Total cases = 4C1. 6C4 + 4C2. 6C3... View Article
1) Both balls are white 2) One ball is white and one is black 3) Both balls are black 4)... View Article
1) 17/35 2) 18/35 3) 72/175 4) 13/175 Solution: Option (A) 17/35 Total number of tickets = 50 Hence, total... View Article
1) 1/2 2) 1/64 3) 8C4/8 4) 8C4/28 Solution: Option (4) 8C4/28 Total cases= 28 (As a coin is tossed... View Article
1) 1/35 2) 1/14 3) 1/15 4) None of these Solution: Option (3) 1/14 In a word, “ASSASSIN”, apart from... View Article
1) 5/204 2) 7/102 3) 3/68 4) 1/13 Solution: Option (3) 3/68 Total number of balls = 18 balls Out... View Article
1) 1-(2/n) 2) 2/(n-1) 3) 1-(1/n) 4) None of these Solution: Option (1) 1-(2/n) Total number of cases = nC2... View Article