Multiple choice

Directions: Find the odd one.

7, 8, 18, 57, 228, 1165, 6996

  1. 18

  2. 57

  3. 6996

  4. 228

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let no's be a,b,c,d,e,f,g. then if a=7;  b=a*1+1; c=b*2+2 and so on