Find the number of 5 lettered palindromes which can be formed using the letters from the English alphabets

The letter Z of the English alphabet has

The letter O of the English alphabet has

Find the number of 7 letter Palindromes that can be formed using the letters of the word EQUATION

Find the number of (i) 6 (ii) 7 letter palindromes that can be formed using the letters of the word EQUATION.

Find the number of 5 letter words that can be formed using the letters of the word RHYME if each letter can be used any member of times.

Find the number of 4 letter words that can be formed using the letters of the word PISTON in which atleast one letter is repeated.

Find the number of 4 letter words that can be formed using the letters of the word ARTICLE in which at least one letter is repeated

Find the number of 4 letter words that can be formed using the letters of the word 'ARTICLE' in which atleast one letter is repeated.

Find the number of 5 letter words that can be formed using the letters of the word NAUTRE that begin with N when repetition is allowed.

The number of 5-letter words that can be formed by using the letters of the word SARANAM is