UPSC Prelims 2021 · CSAT (Paper 2) · Q77
Basic Numeracy
Medium · Ages
The present age of a father is 4 times the present age of his son. 5 years ago, the father's age was 7 times the son's age at that time. What was the son's age 5 years ago?
UPSC Prelims 2021 · CSAT (Paper 2) · Q77
Medium · Ages
The present age of a father is 4 times the present age of his son. 5 years ago, the father's age was 7 times the son's age at that time. What was the son's age 5 years ago?