allery7 : 56 :: 9 : ?
A63
B72
C81
D90
Answer & Solution
Correct answer: D. 90
पैटर्न: n² + n (या n × (n+1))
7² + 7 = 49 + 7 = 56 ✓
9² + 9 = 81 + 9 = 90
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