17 is related to 21 following a certain logic. Following the same logic, 22 is related to 36. To which of the following is 29 related, following the same logic?
(NOTE : Operations should be performed on the whole numbers, without breaking down the numbers into its constituent digits. E.g. 13 – Operations on 13 such as adding /deleting /multiplying etc., to 13 can be performed. Breaking down 13 into 1 and 3 and then performing mathematical operations on 1 and 3 is not allowed.)
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 57.
Logic: Left number × 3 - 30 = right number
17 is related to 21 → 17 × 3 - 30 = 51 - 30 = 21
22 is related to 36 → 22 × 3 - 30 = 66 - 30 = 36
Similarly, 29 is related: → 29 × 3 - 30 = 87 - 30 = 57