Question

3 years ago, the sum of the ages of a father and son was 40 years. After 2 years the sum of Ages of the father and his son will be how much

Answer 1

∴ The sum of their present ages is =40+(3×2)

                                                         =40+6

                                                         =46 years

∴ After 2 years the sum of their ages will be = 46+(2×2)

                                                                          =46+4

                                                                          =50 years

The answer is 50 years.