Question

The age of father six years ago is six times the age of his daughter. Three years hence, the father will be thrice as old as his daughter. What is the present age of the daughter?

• A. 12 years
• B. 17 years
• C. 15 years
• D. 20 years

Answer 1

Answer:

A. 12 years

age of father six years ago is six times the age of his daughter F-6=6(D-6) F-6=6D-36 F=6D-30 Three years hence, the father will be thrice as old as his daughter F+3=3(D+3) F+3=3D+9 F-3D=6 Sub F value 6D-30-3D=6 3D=36 D=12 years