Three of the following four number-pairs are alike in a certain way and one is different. Find the odd one out.
Show answer & explanation
Correct answer: D
Explanation
The correct option is 4.
(7 × 3) – 10 = 11, (9 × 3) – 10 = 17, (13 × 3) – 10 = 29
But, (11 × 3) – 10 = 23