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 : 85
Show answer & explanation
Correct answer: A
Explanation
The correct answer is option 1 i.e. 8 : 113.
| Understanding | Application |
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Logic: x : y where y = x2 + (x – 1)2 Given → 7 : 85 85 = 72 + 62 = 49 + 36 |
Similarly, 8 : 113 82 + (8 – 1)2 = 64 + (7)2 = 64 + 49 = 113 |