Finding the Lucky Number

The video tutorial guides viewers through a puzzle to find a lucky number using clues. The first clue indicates the number is greater than nine, leading to the elimination of numbers less than or equal to nine. The second clue requires the sum of the digits to be four, further narrowing down the options. Finally, the last clue specifies the number is less than 21, resulting in the lucky number being identified as 13.

What is the first step in finding the lucky number?

• Cross out numbers with a sum of digits equal to nine

• Cross out numbers less than nine

• Cross out numbers greater than nine

• Cross out numbers equal to nine

According to the second clue, what should be the sum of the digits of the lucky number?

• Five

• Four

• Six

• Three

Which number should not be crossed out based on the sum of its digits being four?

• 14

• 13

• 11

• 10

What is the sum of the digits of the number 22?

• Two

• Three

• Four

• Five

Which number remains after applying the second clue?

• 15

• 13

• 10

• 20

What is the final clue used to determine the lucky number?

• The number is less than 21

• The number is a multiple of 21

• The number is greater than 21

• The number is equal to 21

Which number is the lucky number after considering all clues?

• 13

• 22

• 21

• 20

How many numbers are left before applying the final clue?

• One

• Two

• Three

• Four