1) A person was asked to state his age in years. His reply was, "Take my age three years hence, multiply it by 3 and then subtract three times my age three years ago and you will know how old I am." What was the age of the person ? A) 18 years B) 20 years C) 24 years D) 32 years Answer: Option AExplanation:Let the present age of the person be x yearsThen 3(x+3)-3(x-3)=x (3x+9) - (3x - 9) = x x = 18