21 is related to 189 following a certain logic. Following the same logic, 35 is related to 315. To which of the following is 43 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 / subtracting / 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. 387.
21 is related to 189 → 21 × 9 = 189
35 is related to 315 → 35 × 9 = 315
Similarly, 43 is related → 43 × 9 = 387