Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair.
7 : 198
Show answer & explanation
Correct answer: D
Explanation
The correct answer is option 4 i.e. 8 : 228.
7 : 198 → (7)2 × 2 = 49 × 2 = 98 → 100 + 98 = 198
Similarly, 8 : 228 → (8)2 × 2 = 64 × 2 = 128 → 100 + 128 = 228