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Sequence Completion Challenge Quiz

#1

What is the next number in the sequence: 2, 4, 6, 8, ___?

14
Explanation

Each number increases by 2.

#2

Complete the sequence: 3, 6, 9, ___, 15.

18
Explanation

Each number increases by 3.

#3

What is the next number in the sequence: 1, 4, 9, 16, 25, ___?

49
Explanation

Each number is a perfect square.

#4

Complete the sequence: 2, 4, 8, ___, 32.

24
Explanation

Each number is multiplied by 2 and then increased by the previous number.

#5

What is the next number in the sequence: 1, 3, 5, 7, ___?

9
Explanation

Each number increases by 2.

#6

Complete the sequence: 4, 9, 16, ___, 36.

25
Explanation

Each number is the square of its position.

#7

What comes next in the sequence: 1, 4, 9, 16, ___?

36
Explanation

Each number is the square of its position.

#8

Find the missing number in the sequence: 2, 5, 10, ___, 26.

15
Explanation

Each number is multiplied by the next increasing prime number.

#9

What is the missing number in the sequence: 3, 8, 15, ___, 35?

28
Explanation

Each number is the previous number plus the next prime number.

#10

Complete the sequence: 1, 3, 7, 15, ___.

31
Explanation

Each number is the previous number multiplied by 2 and then increased by 1.

#11

What comes next in the sequence: 3, 6, 12, 24, ___?

48
Explanation

Each number is multiplied by 2.

#12

Extend the sequence: 1, 5, 13, 25, ___, 41.

37
Explanation

Each number is the previous number plus the next odd number.

#13

Extend the sequence: 1, 4, 9, 16, 25, ___, 49.

36
Explanation

Each number is a perfect square.

#14

Extend the sequence: 2, 6, 12, 20, ___, 42.

36
Explanation

Each number is the square of its position plus the previous number.

#15

What comes next in the sequence: 1, 2, 6, 24, ___?

96
Explanation

Each number is the factorial of its position.

#16

Find the missing number in the sequence: 5, 12, 21, ___, 45.

28
Explanation

Each number is the previous number plus the next square number.

#17

Find the missing number in the sequence: 4, 9, ___, 21, 28.

14
Explanation

Each number is the square of its position minus 1.

#18

What comes next in the sequence: 2, 7, 15, 26, ___?

40
Explanation

Each number is the previous number plus the next prime number.

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