Backward = RU
Find the quantity of arrangements of the letters of the word INDEPENDENCE if all the vowels always occur together?
In how many ways can the letters of the word ENGINEERING be arranged?
How many different words can be made using all the letters of the word METROLOGY?
In how many ways can 7 beads be arranged to make a necklace?
In how many different ways can the letters of the word 'COMPUTER' be arranged in such a way that the vowels always come together?
6 students appear in an examination. In how many ways can the result be announced?
There are 8 men and 6 women in a party. If a group is formed with 4 members, then how many groups can be possible?
How many numbers of five digits may be formed with the digits 7, 2, 0, 0, and 1?
A man has 15 friends out of which 7 are his relatives. In how many ways can he invite his 9 friends in which at least 5 must be his relatives?
5 persons P, Q, R, S, and T are sitting around a round table. How many times can they sit in different ways so that Q and T do not sit together?
