The Cassette Recorder
0 2 4 3 5 6 8 9 7 11 10 12 13 14 15 16 18 17 20 21 22 19 24 23 26 25 28 29 27
What is the next number in the sequence?
Ah! Click here to read the solution.
31.
The tenth number is 10 + 1 = 11.
The twentieth number is 20 + 1 = 21.
Thus the thirtieth number is 30 + 1 = 31.
🙂 Easy 😉
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