1) After replacing an old member by a new member, it was found that the average age of five members of a'club is the safrie as it was 3 years ago. What is the difference between the ages of the replaced and the new member ? A) 2 years B) 4 years C) 8 years D) 15 years Answer: Option DExplanation:Age decreased = (5x3)years =15 yearsSo the requied difference = 15 years
