NCERT Example 6 - Ages and adding - Proportional Reasoning-1

Question: When Neelima was 3, her mother was 10 times her age. What is the age ratio then? When Neelima is 12, does the ratio stay the same?

Answer: At 3 years: 1 : 10. At 12 years: 4 : 13. The ratio does not stay the same.

Full step-by-step NCERT solution with diagrams on Something by Zero.