self Maths Puzzle

AC2,CG5,FL9,JR14,OY20,____

Read Solution (Total 4)

self Other Question

samantha,jessica,and roseline begin to jog around a circular stadium,they complete their revolutions in 84 sec,56 sec and 63 sec resp.after how many sec will they be together at the sstarting point WHAT IS THE NEXT NUMBER TO COMPLETE THIS SEQUENCES..
1,4,5,6,7,9,11,?