Three years ago , the average of a and b was 20 years Now ,c has joined them - Maths - Integers

Question

Three years ago , the average of a and b was 20 years Now ,c has
joined them and their average age became 25 years What is the
present age of c in years

Ankit Singh Jadeja · Accepted Answer

Dear Student,

Regards

Three years ago , the average of a and b was 20 years . Now ,c has joined them and their average age became 25 years . What is the present age of c in years