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The video tutorial explains how to determine the largest number from a given set, specifically focusing on the number 21. It provides a brief overview of the concept and its application in mathematical problems.

What is the primary focus of the video tutorial?

• Exploring mathematical operations

• Learning about prime numbers

• Understanding the concept of 'Biggest from 21'

• Finding the smallest number from a set

Which number is used as a reference in the examples provided?

• 30

• 10

• 15

• 21

What is the key takeaway from the examples discussed?

• How to perform addition

• How to solve equations

• How to identify the biggest number from a set

• How to find the smallest number

Which mathematical concept is NOT covered in the video?

• Addition

• Prime numbers

• Finding the biggest number

• Subtraction

What is the duration of the video tutorial?

• 34060 milliseconds

• 1500 milliseconds

• 32690 milliseconds

• 1370 milliseconds