Answers to number series puzzles

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Here are the answers of the post Number series arrangements puzzles.


1. The next number in the series is 16

27 -> abs(2^7 - 27) = 101
101 -> abs(10^1 - 101) = 91
91 -> abs(9^1 - 91) = 82
82 -> abs(8^2 - 82) = 18
18 -> abs(1^8-18) = 17
17 -> abs(1^7) = 16

2. The next number in the series is 13729

8   3
9   9
10  27
11  81
12  243
13  729

3. The missing number in the series is 94310

1   3     2
3   13   4
5   23   6
7   33   8
9   43   10
11 53   12

4. The missing numbers in the series are 37, 37, 40

31 -> 31+3=34 repeat 1 time
34 -> 34+3 = 37 repeat 4 times
37 -> 37+3 = 40 repeat 7 times

5. The next number in the series is 8072

5        8
10      24
20      40
40      56
80      72


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