Question

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.

4 ∶ 28

1. 9 ∶ 153
2. 3 ∶ 48
3. 2 ∶ 4
4. 6 ∶ 136

Answer 1

Correct Answer - Option 1 : 9 ∶ 153

The logic is:

4 ∶ 28 → 4² + 4 × (4 - 1) = 16 + 12 =  28

Similarly,

9 ∶ 153 → 9² + 9 × (9 - 1) = 81 + 72 = 153

Hence, ‘9 ∶ 153’ is the correct answer.