SOF NSO · Missing Characters · Quiz
5 real SOF NSO questions on Missing Characters. Instant scoring and solutions, no signup — see where you stand in ~3 minutes.
Question 1 of 5
HARDFind the missing number in this circular pattern: ``` Outer ring (clockwise): 7, 5, 9, ? Inner ring (corresponding): 2, 1, 3, 4 Center: 3 ``` The pattern relates outer numbers to (inner number × center) + constant.