Select the pair which is related to each other in the same way as the following.
27 : 82
9 : 28
(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. 42 : 127.
27 : 82 → 27 × 3 + 1 = 81 + 1 = 82
9 : 28 → 9 × 3 + 1 = 27 + 1 = 28
Similarly, 42 : 127 → 42 × 3 + 1 = 126 + 1 = 127