Counting Sequence Quiz

What number comes after 10 in the sequence?

• 9

• 11

• 12

• 13

Which number is repeated twice in the sequence from 1 to 11?

• 8

• 9

• 7

• 6

What is the first number in the sequence after 12?

• 13

• 14

• 10

• 11

Which number appears twice in the sequence from 12 to 14?

• 15

• 12

• 14

• 13

What number follows 15 in the sequence?

• 14

• 18

• 16

• 17

Which number is repeated twice in the sequence from 15 to 17?

• 18

• 15

• 17

• 16

What number comes after 18 in the sequence?

• 17

• 19

• 20

• 21

Which number is repeated twice in the sequence from 18 to 19?

• 21

• 20

• 18

• 19

What is the final number in the sequence?

• 21

• 20

• 19

• 18

What action is suggested at the end of the video?

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