Question Bank
1. Which single letter is exactly between the two letters — one being the 22nd from the left side and the other being the 19th from the right side — in the following series? ZYXWVUTSRQPONMLKJIHGFEDCBA
2. All the English alphabets are arranged in reverse alphabetical order. What is the difference between the positions of the vowels appearing at the beginning and at the end?
3. How many letters are not in their usual positions in the alphabetical order? ABCFEDGHILKJMNORQPSTUXWVYZ