45 because ( 3+2=5+4=9+6=15+8=23+10=33+12=45) Just th game of even numbers.
Take some preparatory classes from ANEES HUSSAIN or ANIS HASSAN
1. 3 5 9 15 23 33 ?
A) 30 B) 43 C) 45 D) 55
A) 30 B) 43 C) 45 D) 55