Select the option in which the numbers share the same relationship as that shared by the given pair of numbers.
12: 20
Show answer & explanation
Correct answer: B
Explanation
The correct answer is Option 2. i.e. 30: 42.
The logic used here is:
12: 20
3 × 3 + 3 = 9 + 3 = 12
4 × 4 + 4 = 16 + 4 = 20
Similarly,
30: 42
5 × 5 + 5 = 25 + 5 = 30
6 × 6 + 6 = 36 + 6 = 42
Hence, option 2 is the correct answer.