Odd one out questions are often asked in Banking exams. One should expect 3 to 5 questions and these questions can be answered easily using the given concept. The following types of questions which can be asked in odd one out.
Question 1: Three of the following four options are related in some way. Find the odd one out.
Explanation: This is the most often asked odd one out question. In this question, all numbers except b are prime numbers i.e. 2, 61 and 23 are prime numbers. 91 = 13*7 is not a prime number. Hence, 91 is the odd one out. Hence, b is the correct answer.
Question 2: Find the odd one out?
Explanation: Assign 1 to A, 2 to B and so on till 26 to Z. The four words in each option can be assigned a number in the following manner: 1-26-11-16, 10-17-2-25, 2-25-13-14 and 1-26-13-16. In all the options except d, the sum of first two numbers is 27 and the sum of last two numbers is also 27. In option d, the sum of first two numbers is 27 and the sum of last two numbers is 29. Hence, d is the odd one out.