Question

5 7 10 26 17 63 26 ? Find the next number of serice

Answer 1

51 is the next number

Answer 2

There are 2 different series here-
1st-5,10,17,26
2nd-7, 26,63
So for next number you have to answer 2nd series
(2×2×2)-1=7
(3×3×3)-1=26
(4×4×4)-1=63
(5×5×5)-1=124