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Whether you've only got a 30-minute lunch break or 30 minutes until the kids wake up, you want to make every one of those minutes count, especially if you're working out during that time.

If your goal is to burn calories, do you know which activities will burn the most in a half hour? Take the quiz to test your knowledge, and you'll be entered to win a Fitbit Versa AND a $150 Dan's grocery card!