Look at the series of numbers and find the next number.
What comes next in the sequence;
3, 13, 43, 73, ??
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The logic to this series is as follows;
2 x 2 – 1 = 4 – 1 = 3;
4 x 4 – 3 = 16 – 3 = 13;
8 x 6 – 5 = 48 – 5 = 43;
10 x 8 – 7 = 80 – 7 = 73;
Therefore we can find the answer as;
12 x 10 – 9 = 120 – 9 = 111
Missing next number = 111
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