FBAT Number Series and Patterns 3

Question 1

What is the missing number? 4, 8, 16, ___, 64

Accepted Answer

32

Answer

Each term doubles; 16 × 2 = 32.

Question 2

What comes next: 10, 20, 30, 40, ___?

Accepted Answer

50

Answer

The series increases by 10 each time; 40 + 10 = 50.

Question 3

What is the missing number? 120, 60, 30, ___, 7.5

Accepted Answer

15

Answer

Each term is divided by 2; 30 ÷ 2 = 15.

Question 4

What comes next: 2, 3, 5, 8, 12, ___?

Accepted Answer

17

Answer

Differences between terms are 1, 2, 3, 4, so the next difference is 5; 12 + 5 = 17.

Question 5

What is the missing number? 6, 12, 18, 24, ___

Accepted Answer

30

Answer

The series increases by 6 each time (multiples of 6); 24 + 6 = 30.

FBAT - Florida Basic Abilities Test Practice Test