Answer
Ans:
1. Ratio of Length of whale shark to length of blue whale
2.Ratio of Length of great white shark to length of whale shark
Work Step by Step
From the given image
Lets try for Ratio of
Length of whale shark to length of blue whale = $\frac{40}{80}$ = $\frac{1}{2}$
Length of great white shark to length of whale shark = $\frac{20}{40}$ = $\frac{1}{2}$
