Select the number that will come in place of the question mark (?).5, 11, 23, 47, 95, ?
A. 189
B. 190
C. 193
D. 191
A. 189
B. 190
C. 193
D. 191
Best answer
Answer: D. 191
Answer: (D) 191
Each term = previous × 2 + 1: 5×2+1 = 11, 11×2+1 = 23, … 95×2+1 = 191.
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