18 is related to 90 following a certain logic. Following the same logic, 31 is related to 155. To which of the following is 52 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. 260.
18 is related to 90 ⇒ 18 × 5 = 90
31 is related to 155 ⇒ 31 × 5 = 155
Similarly, 52 is related to ⇒ 52 × 5 = 260