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Build A Fast-Food Meal And We'll Guess Your Exact Age And Height

The truth is in the fast food.

BuzzFeed Quiz Party!

Take this quiz with friends in real time and compare results

Check it out!

We asked the BuzzFeed Community for their favorite fast-food secret menu items. Your favorites will scientifically reveal your exact age and height.

  1. Pick a McDonald's Secret Menu Item

  2. Pick an In-N-Out Secret Menu Burger

  3. Pick a Taco Bell Secret Menu Item

  4. Pick a Starbucks Secret Menu Drink

  5. Pick a Subway Secret Menu Sandwich