If you can believe it, "Who Wants To Be a Millionaire" is in its SEVENTEENTH season -- which means lots and lots of people have walked away with a whole lot of ? over the years.

"We're celebrating a big milestone this year," Chris Harrison, who's been the host for the last four years, says. "$100 million given away."

Wowza!

To help celebrate, we put Rach and her co-host for the day, Bob Harper, in the hot seat to see how they fare.

What were they playing for? $100 to Kettlebell Kitchen for the entire studio audience -- no pressure!

Well, spoiler alert, they completely *nailed* it, answering all three questions correctly!

Try your hand at the questions below -- and follow along in the video above, too! (Answers are at the bottom.)

1. In the Merriam-Webster dictionary, what word is listed as both cornmeal dough rolled with "ground meat or beans," and a town in northern Ghana?

A: Fajita

B: Burrito

C: Tamale

D: Chimichanga

2. Setting a tone of general creepiness, what's the first sound you hear in the album version of the Michael Jackson hit "Thriller?"

A: Breaking glass

B: Rustling leaves

C: A howling wolf

D. A creaking door

3. The famed TV detective Columbo was reportedly based on Dostoyevsky's famed literary detective Porfiry Petrovitch, a character in which novel?

A: Crime and Punishment

B: Lolita

C: War and Peace

D: Anna Karenina

CORRECT ANSWERS:

1. C

2. D

3. A