Question

Short answer

A) Quantitative Ordinal Variable

B) Qualitative Categorical Variable

C) Quantitative Discrete Variable

Step-by-step solution

Basics 

• Quantitative variables can be measured in terms of numerical units.

Ordinal variables are in form of ranks - 1st, 2nd, 3rd & so on

Continuous variable can be in form of whole & non whole numbers - can take values like 4.8, 10.5 etc

• Qualitative variables can't be measured in terms of numerical units.

Categorical variables can take only few options or categories, like gender 'male' or 'female'

Explanation 

1st column depicts respective ranks of continents, it is Quantitative Ordinal Variable

2nd column depicts names of celebrities, it is Qualitative Categorical Variable

3rd column depicts earnings in whole numbers, it is Quantitative Discrete Variable