A child's age and the mother's age both increase together but are not …

Question

A child's age and the mother's age both increase together but are not in direct proportion because:

Accepted Answer

B. Their ratio keeps changing

1. Direct proportion needs a constant ratio.
2. The ratio of the two ages is not the same every time.
3. Growing together is not enough.
_Source: syllabus Mathematics, Chapter 13, Direct and Inverse Proportions._

Answer

Their product is fixed

Answer

Their values never change

Answer

Their sum is always fixed

A child's age and the mother's age both increase together but are not in direct proportion because:

Keep practising Ratio and Proportion