22 is related to 43 following a certain logic. Following the same logic, 35 is related to 69. To which of the following is 81 related, following the same logic?
A.162
B.160
C.163
D.161✓ Correct
Explanation
The pattern is: number × 2 − 1. So 22×2−1=43, 35×2−1=69, and similarly 81×2−1=161.
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