FBAT Number Series and Patterns 2

Question 1

What number completes the series? 50, 45, 40, ___, 30

Accepted Answer

35

Answer

The series decreases by 5 each time; 40 − 5 = 35.

Question 2

What comes next: 1, 3, 7, 15, ___?

Accepted Answer

31

Answer

Each term is doubled and then 1 is added: (15 × 2) + 1 = 31.

Question 3

What is the missing number? 2, 5, 8, ___, 14

Accepted Answer

11

Answer

The series increases by 3 each time; 8 + 3 = 11.

Question 4

What comes next: 81, 27, 9, 3, ___?

Accepted Answer

1

Answer

Each term is divided by 3; 3 ÷ 3 = 1.

Question 5

What is the missing number? 7, 14, ___, 28, 35

Accepted Answer

21

Answer

The series increases by 7; 14 + 7 = 21.

FBAT - Florida Basic Abilities Test Practice Test