Define a 'good word' as a sequence of letters that consists only of the letters A, B and C and in which A never immidiately followed by B, B is never immediately followed by C, and C is never immediately followed by A. If the number of n-letter good words are 384, find the value of n

A seven digit number has to be formed using 1,2,3 (and not necessarily all of them) with 1 never immediately followed by 2,2 never immediately followed by 3 and 3 never immediately followed by 1. The number of such numbers equals

Y W @ 1 & C N 3 P L B 9 uarr = D * E 2 ₤ M V $ 7 # 4 F G 5 If (A) denotes the number of symbols immediately preceded by a number, (B) denotes the number of letters immediately followed by a symbol, and (C ) denotes the number of letters either not immediately followed by a number or not immediately preceded by a letter, then which of the following is the ascending order of the numbers denoted by (A), (B), & (C)?

Find the number of permutations of the letters a,b,c and d such that b does not follow a,c does not follow b and d does not follow c.

In how many ways can the letters of the word BANARAS be arranged so that the letters N and S are never together

In how many ways can the letters of the word BANARAS be arranged so that the letters N and S are never together

The number of words (with or without meaning that can be formed from all the letters of the word CORRONA in which vowels never come together is

The number of words from the letters of the words BHARAT in which B and H will never come together, is

The number of different words formed with the help of the letters of the word INTEGER in which I and N are never together is:

The number of four-letter words that can be formed, with letters a,b,c such that all three letters occur is