The average age of 9 men increases by 4 years when two women are included in place of two men of ages 36 and 32 years. Find the average age of the women? Choose the correct answer.
A) 78
B) 26
C) 52
D) 54
E) 56

Rationale: "explanation : 36 + 32 + 9 * 4 = 104 / 2 = 52 answer : c"
Answer: C