What number comes next in the series 5; 15; 5; 18; 5; 24; 14; 20; ?

Question

On behalf of Sture Sjöstedt

Answer 1

Write the numbers in ascending order in words as onE twO threE fouR and so on and so forth.

Replace the last letter in each word with position of letter in the alphabet (E=5, O=15, E=5, R=18 and so on)

So next number is ninE;

So the answer is 5