How many words, with or without meaning, can be formed using all the letters of the word EQUATION, using each letter exactly once?

How many words with or without meaning can be formed using all the letters of the words EQUATION using each letter exactly once?

How many words, with or without meanings, can be formed using all the letters of the word 'EQUAL', using each letter exactly once ?

How many words, with or without meaning, can be formed using all the letters of the word CHEMISTRY, using each letter exactly once? How many of them start with C and end with Y?

How many words (with or without meaning) can be formed using all letters of the word EQUATION, using each letter exactly once?

How many words, with or without meaning, can be formed by using all the letters of the word DELHI using each letter exactly once?

How many words, with or without meaning, can be formed using all the letters of the word 'FRIDAY', using each letter exactly once? How many of them have first letter is a vowel?

How many words,with or without meaning, can be formed by using all the letters of the word DEL.HI using each letter exactly once?

How many words,with or without meaning, can be formed by using the letters of the word TRIANGLE?

How many words, with or without meaning, can be formed by using the letters of the word ‘TRIANGLE’?