Analogies · Question 11 · Medium
5 : 30 :: 7 : 56 :: 9 : ?
- 72
- 99
- 90
- 81
Answer and explanation
Answer: C. 90
Explanation: Each number is paired with n × (n + 1): 5 × 6 = 30, 7 × 8 = 56, so 9 × 10 = 90.
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