The average age of father, mother, son and daughter is 16 years. Father is 5 times as old as the son and mother is 6 times as old as the daughter. After 3 years from now, mother will be thrice as old as the son. What is the present age of the father?

• ক 35 years
• খ 30 years ✅ সঠিক উত্তর
• গ 45 years
• ঘ Answer not known