how many 4 letter words can be formed from the word MORADABAD?

How many 4 letter words can be formed from the word MATHEMATICS?

How many different 5-letter words can be formed from the word ORANGE using each letter only once?

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

If 4 letter words are formed using letters of the word 'MORADABAD'. Then the probability that D comes exactly once in the 4 letter word is

If 4 letter words are formed using letters of the word 'MORADABAD'. Then the probability that D comes exactly once in the 4 letter word is

How many 4-letter words can be formed using letters of the word 'VIDYAMANDIR' such that the word always includes a letter 'I '.

How many 4 letter words can be formed using letters in the word MADHURI if (a) letters can be repeated (b) letters cannot be repeated.

Seven cards each bearing a letter , can be arranged to spell the word 'DOUBLES' .How many three - letter code- words can be formed from these cards ? How many of these words consist of a vowels between two consonants?

How many 4 letter words can be formed using the letters of the word ARTICLE such that the word contains A but not E