Question

Select the number- pair in which the two numbers are related in the same way as the two numbers of the following number- pair.

5 ∶ 55

1. 7 ∶ 105
2. 4 ∶ 32
3. 8 ∶ 200
4. 6 ∶ 90

Answer 1

Correct Answer - Option 1 : 7 ∶ 105

The logic followed here is:

The first number × (first number + next number) = Second number.

For 5 ∶ 55

= 5 : 5 × (5 + 6)

= 5 : 5 × 11

Option 1 →  7 ∶ 105

= 7 : 7 × (7 + 8)

= 7 : 7 × 15

= 7 : 105

Option 2 → 4 ∶ 32

= 4 : 4 × (4 + 5)

= 4 : 36 ≠ 32

Option 3 → 8 ∶ 200

= 8 : 8 × (8 + 9)

= 8 : 136 ≠ 200

Option 4 → 6 ∶ 90

= 6 : 6 × (6 + 7)

= 6 : 78 ≠ 90

Hence, the correct answer is "7 ∶ 105".