How many selections and arrangementsof 4 letters can be made from the letters of the word PROPORTION?

Find the number of ways in which: (a)a selection (b) an arrangement,of four letters can be made from the letters of the word 'PROPORTION

How many arrangements can be made of the letters of the word 'ARRANGEMENT'?

How many combinations of 4 letters can be made of the letters of the word ‘JAIPUR’ ?

How many different arrangements can be made with the letters of the word' ORIENTAL?

How many arrangements can be made out of the letters of the word 'ENGINEERING'?

How many three letter words can be made using the letters of the word ORIENTAL?

The number of words of 5letters that can be made with the letters of the word PROPOSITION.

How many 3 letter words can be formed from the letters of the word CALCUTTA?

How many words can be formed from the letters of the word CIRCUMFERENCE.