Based on the number series given, fill in the missing number.18, 37, 76, 155, ________, 633, 1272
Explanation:
The Pattern here is,
18 × 2 + 1 = 37,
37 × 2 + 2 = 76,
76 × 2 + 3 = 155,
So,
155 × 2 + 4 = 314,
314 × 2 + 5 = 633,
633 × 2 + 6 = 1272,
Hence, option (b).
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