How many words can be formed by using all letters of the word ‘BIHAR’ ?

A. 110

B. 120

C. 130

D. 140

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

How many 3 – digit number can be formed from the digit 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

A box contains 2 white balls and 4 red ball. in how many ways can 3 balls be drawn from the box , if at least one blavk ball is to be included i the draw ?

A. 32

B. 48

C. 64

D. 96

in how many ways a committee,consisting of 5 men and 6 women can be formed from 8 men and 10 women ?

A. 266

B. 5040

C. 11760

D. 86400