1.Out of 7 consonants and 4 vowels, how many words of 3 consonants and 2 vowels can be formed ? A) 210 B) 1050 C) 25200 D) 21400 E) None of these View Answer Report DiscussAnswer: Option CExplanation:
2.In how many ways can 21 books on English and 19 books on Hindi be placed in a row on a shelf so that two books on Hindi may not be together ? A) 3990 B) 1540 C) 1995 D) 3672 E) None of these View Answer Report DiscussAnswer: Option BExplanation:
3.How many 3-digit numbers can be formed from the digits 2, 3, 5,6, 7 and 9, which are divisible by 5 and none of the digits is repeated ? A) 5 B) 10 C) 15 D) 20 View Answer Report DiscussAnswer: Option DExplanation:
4.A box contains 2 white balls, 3 black balls and 4 red balls. In how many ways^can 3 balls be drawn from the box, if at least one black ball is to be included in the draw ? A) 32 B) 48 C) 64 D) 96 E) None of these View Answer Report DiscussAnswer: Option CExplanation:
5.From a group of 7 men and ,6 women, five persons are to be selected to form a committee so that at least 3 men are there on the committee. In how many ways car. it be done ? A) 159 B) 194 C) 205 D) 209 E) None of these View Answer Report DiscussAnswer: Option DExplanation: