1) 4060 2) 3605 3) 455 4) None of these Answer: (2) 3605 Solution: We need to select three numbers from 1 to 30 such that selection of all... View Article
1) ½ (10C5) 2) 2(8C4) 3) ½ (8C5) 4) None of these Answer: (2) 2 x 8C4 Solution: Two person can be seated in each boat in 2 ways Now the... View Article
1) 224 2) 672 3) 896 4) None of these Answer: (3) 896 Solution: Number of ways choosing 6 persons from 12 persons = 12C6 Number of ways... View Article
1) 55 2) 72 3) 78 4) None of these Answer: (3) 78 Solution: Given, 13 cricket players and 4 bowlers We need to find the number of ways of... View Article
1) 75000 2) 756000 3) 75600 4) None of these Answer: (2) 756000 Solution: We need to find the number of words of 4 consonants and 3 vowels... View Article
1) 64 2) 63 3) 62 4) 65 Answer: (2) 63 Solution: Number of ways of choosing one book = 6C0 = 1 Number of ways a set of one or more books... View Article
1) 2 2) 3 3) 4 4) None of these Answer: (2) 3 Solution: As per the given condition, 2n+1C1 + 2n+1C2 + …..+2n+1Cn = 63 = X As we know,... View Article
1) 2020 2) 2002 3) 2008 4) 8002 Answer: (2) 2002 Solution: There are total 25 players. Out of them we have to include 6 players always and... View Article