There is a 15% increase in volume when a liquid freezes to its solid state. The percentage decreases when solid melts to liquid again, is?
Answer & explanation
Correct answer: option 3
15% = \(\frac{3}{20}\)
Liq Solid
20 → 23
= \(\frac{3}{23}\) × 100
= 13\(\frac{1}{23}\)%