What Are The 25th, 50th And 100th Numbers In The Sequence Below?
Check out the sequence given below and try to find the logic behind it and then answer the question in the riddle below;
What are the 25th, 50th and 100th numbers in the sequence below?
4, 5, 8, 8, 9, 9, 12, 13, 13, 13, 17, 18, …
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Answer:
If you see the sequence you will be able to derive this;
The numbers in the series are actually the addition of the number and the number of letters in that digit.
So the first one is 1
So the number in the series will be 1 + 3 (number of letters in one) = 4
This will fit into every number in this series
so to get the 25th number you just have to add 25 + number of letters in Twenty Five.
i.e 25 + 10 = 35
Similarly 50th (Fifty) will be;
50 + 5 = 55 and
100th (Hundred) will be;
100 + 7 = 107
So the answers are;
25th number in series = 35
50th number in series = 55 &
100th number in series = 107