PATTERNS AND SEQUENCES

Observe the following set of numbers.

45, 37, 29, 21, ...

What is the pattern of the set numbers?

• Subtract 8 from the number before it

• Subtract 9 from the number before it

• Add 8 from the number before it

• Add 9 from the number before it

32, 16, x, 4, 2, ...

In the number sequence above, find the value of x.

• 14

• 10

• 8

• 6

Find the next two numbers for the following sequence :

0.6, 1.8, 5.4, 16.2, ...

• 84.5, 154.8

• 48.6, 145.8

• 42.5, 150.4

• 28.5, 120.6

What is the missing number y in the sequence -3, y, 9, 15, 21, ... ?

• 0

• 3

• 5

• 6

Which of the following sequence is even number?

• 1, 3, 5, 7, 9, ...

• 3, 6, 9, 12, 15, ...

• 4, 6, 8, 10, 12, ...

• 5, 10, 15, 20, 25, ...

It is given that the n^th term, T_n, of a sequence is 2 + 3n. Find the 5^th term.

• 13

• 15

• 17

• 20

Which of the following is NOT a sequence?

• 5, 9, 13, 17, 21, ...

• 1, 1.8, 2.6, 3.4, 4.2, ...

• 14, 5, -4, -13, -22, ...

• 45, 15, 5, 0, 0.2, ...

"Starting with number 0, 1, 1, each subsequent number is the sum of the two previous numbers."

What is the pattern for the statement?

• Odd number

• Even number

• Fibonacci numbers

• Pascal's triangle

What is the value of x and y for the number sequence below?

3, 5, 8, 13, x, y, 55, ...

• 20, 30

• 21, 34

• 22, 33

• 23, 32

How many mangoes should be next?

• 10

• 8

• 6

• 5