Understanding Number Sequences

What is the common difference in the arithmetic sequence 5, 8, 11, 14?

• 3

• 5

• 2

• 4

In a geometric sequence, if the first term is 3 and the common ratio is 2, what is the fourth term?

• 12

• 24

• 48

• 96

What is the common difference in the sequence 19, 15, 11, 7?

• -2

• -3

• -4

• -5

In the sequence 320, 160, 80, what operation is used to find the next term?

• Subtract 20

• Divide by 2

• Add 10

• Multiply by 2

What is the next number in the sequence 13, 6, 10, if the pattern is increasing by 2, 3, 4?

• 12

• 21

• 15

• 18

In the sequence 2, 6, 5, 9, what is the pattern?

• Add 3, Subtract 1

• Add 4, Subtract 1

• Multiply by 2, Subtract 1

• Multiply by 3, Subtract 2

What is the next number in the sequence 1, 2, 6, 15, if the differences are perfect squares?

• 49

• 25

• 64

• 36

In the sequence 1, 2, 6, 15, what is the difference between the third and fourth terms?

• 7

• 8

• 9

• 10

What is the pattern in the sequence 1, 2, 6, 15, if the differences are 1, 4, 9?

• Add 4, 8, 12

• Add 1, 4, 9

• Add 2, 3, 4

• Add 3, 6, 9

In the sequence 1, 2, 6, 15, what is the next number if the differences are perfect squares?

• 31

• 141

• 56

• 92