What is the sum of all the composite numbers up to 18?
Choose the correct option
A) 228
B) 112
C) 80
D) 96
E) 100

Rationale: explanation : 4 + 6 + 8 + 9 + 10 + 12 + 14 + 15 + 16 + 18 = 112 answer : b
Answer: B