Question
9 28 83 250 ? 2248
What should come in place of question mark ‘?’ in the following number series?Solution
9 × 3 + 1 = 28 28 × 3 - 1 = 83 83 × 3 + 1 = 250 250 × 3 - 1 = 749 749 × 3 + 1 = 2248
More Missing Series Questions
900 Â Â Â 90Â Â Â 18Â Â Â ? Â Â Â Â 2.16Â Â Â Â 1.08
78, 80, 84, ?, 108, 140
5 6 14 45 ? 925
...1, 26, 75, 156, 277, ?
138, 140, 152, 174, ?, 248
11, ? 220,  660, 1320,  1320Â
114, 134, 174, 254, 414, ?Â
14 6 4 4 ? 48
...What should come in place of (?) question mark in the following number series.
5, 11, 23, 47, 95, ?
7, 8, 18, 57, 232, ?
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