Select the option that is related to the third number in the same way as the second number is related to the first number.
20 : 440 :: 15 : ?
Show answer & explanation
Correct answer: C
Explanation
The correct answer is option 3 i.e. 255.
20 : 440 → 20 : 202 + 20 × 2
Similarly, 15 : ? → 15 : 152 + 15 × 2 = 255