A) 10-20
B) 20-30
C) 30-40
D) None of these
Related MCQs:
- Four years ago the average age of A, B and C was 25 years. Five years ago the average of B and C was 20 years. A’s present is:
- According to Big Bang theory concepts, the universe is?
- What is the age of universe according to Big Bang theory ?
- Five years ago the average age of p and Q was 15 years. Average age of P,Q and R today is 20 years. How did will R be after 10 years?