No. of 4 letter words chosen from word with repeated letters

Find the number of 4 letter words that can be formed using the letters of the word ARTICLE in which at least one letter is repeated

The number of 4 letter words that can be formed by using the letters of the word DEGREE is

Numer of 4 letter words with or without meaning by using letters of the word "DISTRIBUTION" is

Find the number of 4 letter words that can be formed from the letters of the word "ALLAHABAD" .

A word of 5 letters is written down at random with the letters of the word COLLEGE. What is the probability that all the repeated letters were used?

Number of four letter words that can be formed from the letters of the word RESONANCE is

Number of words of 4 letters that can be formed with the letters of the word IIT JEE, is

The number of 5 letter words formed with the letters of the word CALCULUS is divisible by :