| Question | Age of father is seven times the age of his son. In the next 10 years, the age of father will be three times the age of his son. What is the age of father now? | |
| Type | multiple_choice | |
| Option | 35 years | correct |
| Option | 37 years | incorrect |
| Option | 39 years | incorrect |
| Option | 41 years | incorrect |
| Solution | Let the age of son is X and age of father 7X Age of son after 10 years = X+10 Age of father after 10 years = 7X + 10 As per question, after 10 years; 3(X+10) = 7X + 10 3X + 30 = 7X + 10 4X = 20 X = 5 years ∴Age of father now = 7 * 5 = 35 years | |
