IBPS PO Reasoning: Alphabet and Letter Series questions with solutions

Q1. How many pairs of letters are there in the word "EFFECTIVE" such that the number of letters between them is the same in both the forward and backward directions as in the English alphabet series?

1. One
2. Two
3. Three
4. Four

Answer: Four

We need pairs of letters in EFFECTIVE where the number of letters between them in the word equals the number of letters between them in the alphabet. Checking the repeated and distinct letters gives four such valid pairs. Hence, the correct answer is Four.