Question

3,a,5,b,?,c,17,d,33,?

Answer 1

Answer:

9,e

Step-by-step explanation:

3+2=5

5+4=9

9+8=17

17+16=33

2nd digits are powers of 2

a,b,c,d,

e is next alphabet

Answer 2

whoops im from vietnam so i can just give u a number and caculation sr!

(3x2)-1=5

(5x2)-1=9

(9x2)-1=17

(17x2)-1=33

so ? is 9

and ? is e