Find the number of combinations and permutations of 4 letters taken from the word ‘EXAMINATION’.

Find the number of combinations and permutations of four letters taken from the word EXAMINATION.

Find the number of (i) combinations. (ii) permutations of four letters taken from the word EXAMINATIONS.

Find the number of (i) combinations. (ii) permutations of four letters taken from the word EXAMINATIONS.

find the number of permutation and combination of 4 letters taken from the word ARYABHATTA

find the number of permutation and combination of 4 letters taken from the word ARYABHATTA

Find the number of (i) combinations and (lii) permutations in the letters of the word ACCOUNTANCY taken 4 at a time.

Find the number of (i) Combination (ii) Permutation of the letters of the word "IMPRESSION" taking 4 letters at a time.

Find the number of different permutations of the letters of the word BANANA?

Find the number of different permutations of the letters of the word BANANA?

Find the number of permutations of the letters of the word ‘DADOO’