Correct option is B
Given:
8, 17, 35, 71, ?, 287
Logic: “2 times + 1”
Starting with 8:
8 × 2 + 1 = 17
17 × 2 + 1 = 35
35 × 2 + 1 = 71
71 × 2 + 1 = 143
143 × 2 + 1 = 287
So the missing number is: 143
Thus, correct option is (b).
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What will come in place of the question mark (?) in the given series?8, 17, 35, 71, ?, 287
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