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Determine which number best completes the following sequence: 1, 2, 4, 7, 11, ?, 22.
40%
Correct!
Incorrect!
Differences increase by 1 each time: +1, +2, +3, +4, +5, +6. 11+5=16, then 16+6=22.
Determine which number best completes the following sequence: 1, 2, 4, 7, 11, ?, 22.
14
18
16
15
40%
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