The ratio between the present ages of A and B is 3:5 respectively. If the difference between B’s present age and A’s age after 4 years is 2 , what is the total of A’s and B’s present ages?
Question | The ratio between the present ages of A and B is 3:5 respectively. If the difference between B’s present age and A’s age after 4 years is 2 , what is the total of A’s and B’s present ages? | |
Type | multiple_choice | |
Option | 24 years | correct |
Option | 32 year | incorrect |
Option | 48 years | incorrect |
Option | cannot be determined | incorrect |
Solution | Let the present ages of A and B be 3x years and 5x years respectively. 5x – (3x + 4) = 2 2x = 6 x = 3. Therefore, Required sum = 3x + 5x = 8x = 24 years |