Alphabets aur letters ke interesting difference

If the following alphabets are written in reverse order: ABCDEFGHIJKLMNOPQRSTUVWXYZ Which letter of the following alphabet is eighth letter to the right of the letter which is twelth from the left?

From English alphabet if a letter is choosen at random, then find the probability that the letter is a consonant.

If the number of words of 4 letters formed with n different letters of an alphabet such that at least on letter is repeated in the word is 936, then n= (A) 4 (B) 5 (C) 6 (D) none of these

If the number of words of 4 letters formed with n different letters of an alphabet such that at least on letter is repeated in the word is 936, then n= (A) 4 (B) 5 (C) 6 (D) none of these

In a coding language, the letters of the English alphabet are arranged in such a manner that all the vowels are put in the end and the remaining letters are arranged from the first letter onwards. The rearranged alphabets are used to denote the position occupied by letters in the original alphabets. What is the code of 'META'?

Which letter of English alphabet is an example for perpendiculer lines?