The letters of the word ORIENTAL are arranged in such a way that the vowels and consonants occur alternatelu. In how many different ways can it be done?

In how many ways can a tissue grow in size?

In how many ways can the letter of the word 'INSURANCE' be arranged, so that the vowels are never separate?

Six X 's have to be placed in the squares of the figure below, such that each row contains atleast one X. in how many different ways can this be done?

The letters of the word ‘TUESDAY’ are arranged in a line, each arrangement ending with letter S. How many different arrangements are possible ? How many of them start with letter D ?

What is the number of words formed from the letters of the word ‘JOKE’ so that the vowels and consonants alternate ?

The letters of the word 'MEERUT' are arranged in all possible ways as in a dictionary, then the rank of the word 'MEERUT' is

The letters of the word 'DELHI' are arranged in all possible ways as in a dictionary, the rank of the word 'DELHI' is

In how many ways can the letters of the word PERMUTATIONS be arranged if the vowels are all together?

In how many ways can the letters of the word ‘PENCIL’ be arranged so that N is always next to E?