The average age of a 10-members committee is the same as it was 4 years ago, because an old member has been replaced by a young member.
How many years younger was the new member than the old member he replaced?
Age of all 10 members will increase by 4 yrs. Total age increased=10*4=40 yrs. New member is 40 yrs younger than old member replaced.
How much younger is the new member, compared to the old member?
The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member.
Find how much younger is the new member?
Farhan is ten years younger than Chetan, who is two-thirds as old as Anand, who is four times as old as Farhan. How old is Anand?
