مجموع اعمار ابن وامه وجدته 120 سنة اوج د عمر كل منهم علما ان عمر الجدة ضعق عمر الام وعمر الابن ثلث عمر ابنه

The total age of a grandmother, mother, and son is 120 years. The grandmother’s age is twice the mother’s age, and the son’s age is one-third of the mother’s age. By solving the equations, the grandmother is 72 years old, the mother is 36 years old, and the son is 12 years old. Therefore, the grandmother is 72 years old, the mother is 36 years old, and the son is 12 years old.