Question

A Leaf of $20c{m}^2$ grows $5c{m}^2$ per hour and $B$ Leaf of $25c{m}^2$ grows $5c{m}^2$ per hour The relative growth rate of leaf $A$ and $B$ respectively is

• A. $25\%$ and $20\%$
• B. $20\%$ and $25\%$
• C. $50\%$ and $100\%$
• D. $25\%$ and $50\%$

Answer 1

Answer: (A)

Relative growth rate $=\frac{\text{ Growth per unit time }}{\text{ Intial size }}\times 100$