What does the abbreviation ROI stand for in the financial world?

More Questions:

What is the principle ingredient of the dish Biryani?

What title was given to Nanak, the founder of Sikhism?

What year did J. D. Salinger publish the novel "The Catcher in the Rye"?

What mythological character did Zeus punish by having him hold up the heavens on his shoulders?

Who composed "Peter and the Wolf"?

Apia is the capital of which country?

What Mojave Desert city has a name meaning "the meadows" in Spanish?

Which country lies between Switzerland and Austria?

What chemical element's atomic number is 50?

Which "South Park" character gets killed in almost every episode?

Who is the Kindergarten Cop?

What is the name of Sting's first solo album?

What popular movie website took its name from a John Travolta line in the movie "Broken Arrow"?

Who married Prince Albert of Saxe-Coburg and Gotha?

What did Frosty the Snow man have for a nose?