This Doesn't Seem to Add Up!Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.
What are the four (4) missing numbers that follow the given series?
1, 2, 4, 5, 7, 8, 11, 12, 13, 14, 15, 16, ?, ?, ?, ?.
HintPractice your spelling!
AnswerMissing numbers: 18, 19, 21 & 22
If you spell the numbers in the series, you will discover the four missing numbers. If you take these numbers in pairs, you will find that each has the same number of letters as the other.
one, two (3)
four, five (4)
seven, eight (5)
eleven, twelve (6)
thirteen, fourteen (8)
fifteen, sixteen (7)
eighteen, nineteen (8)
twenty-one, twenty-two (9)
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