1)Universal Containers tracks interview scores in Review object. Review score is tracked in numerical format and are restricted to 1-5 and displayed as Radio buttons. How developer must meet this requirement?

a)      Create VF component to display interview score as a set of radio button

b)      Create a formula field that displays interview score as radio buttons

c)      Create interview score as picklist and display them as radio buttons on page layout

d)     Create interview score field with data type of radio button

2) A job application object has a child review object to store candidate review. The review needs to be tracked between a score of 1 to 5. The score has to be a choice between 1 and 5 displayed as a radio button. How will a developer cater to this requirement? Choose the Right answer 

1.    Create 5 fields for scores (1 to 5) of type radio-button and use it in review page layout.

2.    Create a dependent pick list that feeds the radio button type field.

3.    Create a formula field

4.    Create visual force page with radio buttons for review object

What is the right Answer? some of them said using VF page we can Do... Some of them said using formula fields and Create interview score field with data type of radio button....

Please reply correct answer ... Explain it.....