169 is related to 11 following a certain logic. Following the same logic, 625 is related to 23. To which of the following is 961 related, following the same logic?
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 29
Logic Used: First Number : (First Number + 2)2
⇒ 169 is related to 11→ 11 : (11 + 2) 2 = 11 : 169
⇒ 625 is related to 23 → 23 : (23 + 2)2 = 23 : 625
Similarly, 961 related to → a : 961 = a : (31)2 = a : (29 + 2)2
29 : 961