Philip P. answered • 09/12/15
Tutor
5.0
(478)
Effective and Patient Math Tutor
7, 16, 8 ,27, 9 ,?
The odd elements are 7, __, 8, __, 9, ___, so the next odd element is probably 10
The even elements are __, 16, __, 27, ... 16 is 2*8, 27 is 3*9. So the pattern is:
7, 8*2, 8, 9*3, 9, 10*4, 10, ...
So the next number in the sequence after 9 is probably 10*4 = 40.
