How many words, with or without meaning can be made from the letters of the word MONDAY assuming that no letter is repeated, if(i) 4 letters are used at a time.(ii) All letters used at a time.(iii) All letters are used but first letter is a vowel.

How many words, with or without meaning can be made from the letters o

1.	How many words, with or without meaning can be made from the letters of the word MONDAY assuming that no letter is repeated, if(i) 4 letters are used at a time.(ii) All letters used at a time.(iii) All letters are used but first letter is a vowel.
Answer» How many words, with or without meaning can be made from the letters of the word $M O N D A Y$ assuming that no letter is repeated, if $(i) 4$ letters are used at a time. $(i i)$ All letters used at a time. $(i i i)$ All letters are used but first letter is a vowel.