Q: If the age of father is 4 years greater than the mother and 28 years greater than the son,then what is the age of the father? which one should be used to calculate the age ?

• A. mother/son = Non-prime number
• B. mother/son = Perfect square number A) only A alone is sufficient B) only B alone is sufficient
• C. both A and B are required
• D. only A alone is sufficient B) only B alone is sufficient C) both A and B are required D)