Twenty One...Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.
Which number comes next?
21 32 13 34 15 16 17
HintRead each digit separately.
The first digit in every number is how many homophones there are for the second. There are two homophones for 8: eight and ate.
1 = one, won
2 = to, too, two
4 = four, for, fore
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