#1
What is the next number in the sequence: 2, 4, 6, 8, ___?
14
ExplanationEach number increases by 2.
#2
Complete the sequence: 3, 6, 9, ___, 15.
18
ExplanationEach number increases by 3.
#3
What is the next number in the sequence: 1, 4, 9, 16, 25, ___?
49
ExplanationEach number is a perfect square.
#4
Complete the sequence: 2, 4, 8, ___, 32.
24
ExplanationEach 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
ExplanationEach number increases by 2.
#6
Complete the sequence: 4, 9, 16, ___, 36.
25
ExplanationEach number is the square of its position.
#7
What comes next in the sequence: 1, 4, 9, 16, ___?
36
ExplanationEach number is the square of its position.
#8
Find the missing number in the sequence: 2, 5, 10, ___, 26.
15
ExplanationEach number is multiplied by the next increasing prime number.
#9
What is the missing number in the sequence: 3, 8, 15, ___, 35?
28
ExplanationEach number is the previous number plus the next prime number.
#10
Complete the sequence: 1, 3, 7, 15, ___.
31
ExplanationEach 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
ExplanationEach number is multiplied by 2.
#12
Extend the sequence: 1, 5, 13, 25, ___, 41.
37
ExplanationEach number is the previous number plus the next odd number.
#13
Extend the sequence: 1, 4, 9, 16, 25, ___, 49.
36
ExplanationEach number is a perfect square.
#14
Extend the sequence: 2, 6, 12, 20, ___, 42.
36
ExplanationEach number is the square of its position plus the previous number.
#15
What comes next in the sequence: 1, 2, 6, 24, ___?
96
ExplanationEach number is the factorial of its position.
#16
Find the missing number in the sequence: 5, 12, 21, ___, 45.
28
ExplanationEach number is the previous number plus the next square number.
#17
Find the missing number in the sequence: 4, 9, ___, 21, 28.
14
ExplanationEach number is the square of its position minus 1.
#18
What comes next in the sequence: 2, 7, 15, 26, ___?
40
ExplanationEach number is the previous number plus the next prime number.