Select the option that is related to the third number in the same way as the second number is related to the first number.
17 : 361 :: 15 : ?
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 289
The logic used here is:
17 : 361
(17 + 2)2 = 192 = 361
Similarly,
15 : ?
(15 + 2)2 = 172 = 289
Hence, the correct answer is 289.