In how many different ways can the letters of the word ‘CURIOES’ be arranged in such a way that the vowels occupy only the odd positions?
A person has 12 friends out of which 7 are relatives. In how many ways can he invite 6 friends such that at least 4 of them are relatives?
In how many different ways can 6 History and 5Hindi books be arranged in a shelf so that they are arranged alternately?
Geography books are never together.
Find the number of words that can be formed by using all letters of the word 'TANGLE', if it starts with letter G and end with letter A.
There are 14 candidates for 5 post. In how many different ways can be post be filled?
In a group of 5 boys and 4 girls, 5 students have to be selected. In how many ways it can be done so that only 2 boys are included.
In how many different ways can the letter of the word WELCOME is arranged so that vowels always occur together?
In how many different ways can the letters of the word QUANTITY be arranged so that the vowels always come together?
In an election, a voter may vote for any number of candidates not greater than the number to be chosen. There are 8 candidates and 5 members are to be c...
