12 is related to 139 following a certain logic. Following the same logic, 17 is related to 284. To which ofthe following is 18 related, following the same logic?
(NOTE: Operations should be performed on the whole numbers, without breaking down the numbersinto its constituent digits. E.g. 13 – Operations on 13 such as adding /subtracting /multiplying etc. to 13can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1and 3 is not allowed)
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 319.
12 is related to 139 → 12² - 5 = 139
17 is related to 284 → 17² - 5 = 284
Similarly, 18 is related → 18² - 5 = 319