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

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

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

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

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

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