PERMUTATION AND COMBINATION - L5

Number of Integer solutions | PERMUTATION and COMBINATION | IIT JEE Advanced | JEE Mains | BITSAT

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

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

The number of permutations of the letters of the word 'INDEPENDENT taken 5 at a time is

find the rank of RANDOM in the dictionary problem of permutations and combination

FINGER and RING Problems | Permutation and Combination | Important Concepts | JEE Mains | BITSAT

Consider all possible permutations of the letters of the word ENDEANOEL Match the statements/Expression in Column-I with the statements/Expressions in Column-II. Column - I (A) The number of permutations containing the word ENDEA is (B) The number of permutations in which the letter E occurs in the first and the last position is (C) The number of permutations in which none of the letters D, L, N occurs in the last five positions is (D) The number of permutations in which the let- ters A, E, O occurs only in odd positions is Column -II (P) 5! (Q) 2 xx 5! 7 xx 5! (S) 21 xx 5!