The number of different words (eight-letter words) ending and beginning with a consonant which can be made out of the letters of the word 'EQUATION' is

The number of different words ending and beginning with a consonant which can be made out of the letters of the word '' EQUATION '' is :

How many different words. Beinging and ending with a consonant can be made out of the letters of the word ' EQUATIONS' ?

How many words beginning with vowels can be formed with the letters of the word EQUATION?

The different words beging and ending with a vowel that can made with the letters of the word EQUATION is

The number of five-letter words containing 3 vowels and 2 consonants that can be formed using the letters of the word 'EQUATION' so that the two consonants occur together, is

The number of 5 letter words formed using the letters of DELHI begin and end with consonant with repetition is

The number of different pairs of words (,) that can be made with the letters of the word STATICS, is