Number of words each beginning with 'I' and terminating in 'I' and the remaining vowel lying in the middle, is

Find te number of words formed by the letters of the word DELHI which i. begin with D ii. end with I iii. The letter L being always in the middle iv. begin with D and end with I.

Find te number of wordsd formed by the letters of the word DELHI which i. begin with D ii. end withI iii. The letter L being always in te middle iv. begin with D and end with I.

If the 4 letter words formed by using the letters of the word EQUATION, a, b, c are respectively the number of words begin with an vowel, begin and end with vowels, end with a consonent then the descending order of a, b, c is

With 17 consonants and 5 vowels the number of words of four letters that can be formed having two different vowels in the middle and one consonant, repeated or different at each end is

In the different 8 letter arrangement of the word 'DAUGHTER' i. Find the number of words in which all vowels occur together. ii. In the above arrangement, find the number of words in which all vowels do not occur together.

Out of 7 consonants and 4 vowels, the number of words (not necessarily meaningful) that can be made, each consisting of 3 consonants and 2 vowels, is

The number of different words of three letters which can be formed from the word PROPOSAL,if a vowel is always in the middle are.

The total number of words that can be formed using all letters of the word 'RITESH' that neither begins with I nor ends with R, is