Jim’s father is older than 40 but younger than 50. if you divide his age by 2,4,5,8 or 10, there will be a remainder of one how old is Jim’s father?

Answer 1

Jim's father must be one less than a multiple of 2, 4, 5, 8, and 10. The least common multiple of these numbers is 40, therefore Jim's father is 40-1 = 39 years old. Answer: \boxed{39}.