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MCQ
Which number replaces the question mark: 5, 11, 24, 51, 106, ?
Logical Reasoning
A 215
B 217
C 221
D 225
Explanation

Pattern: ×2+1, ×2+2, ×2+3, ×2+4, ×2+5: 5×2+1=11, 11×2+2=24, 24×2+3=51, 51×2+4=106, 106×2+5=217.

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