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Series
Series teasers are where you try to complete the sequence of a series of letters, numbers or objects.Series
What are the next three numbers in the series?
4, 7, 13, 25, 49, ...
4, 7, 13, 25, 49, ...
Answer
This series is completed by adding to the last number double the number used to create it.4 +(3)=
7 +(3x2)=
13 +(6x2)=
25 +(12x2)=
49 +(24x2)=
97 +(48x2)=
193 +(96x2)=
385
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Comments
I figured it out in a different way.
4*2-1=7
7*2-1=13
13*2-1=25
etc.
Hum, that's really interesting.
4*2-1=7
7*2-1=13
13*2-1=25
etc.
Hum, that's really interesting.
I used the same process to figure it out
Me too.
2 ez!
I figured it out the same way as Miss_Xuni. I prefer this solution to the answer given.
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