Basic Ability Test Basic Ability Number Series and Sequences 3

Question 1

What comes next: 1, 1, 2, 6, 24, ___?

Accepted Answer

120

Answer

Each term is multiplied by an increasing integer (×1, ×2, ×3, ×4, ×5), so 24 × 5 = 120.

Question 2

Find the missing number in: 7, 14, 21, ___, 35, 42

Accepted Answer

28

Answer

These are multiples of 7, so the missing term is 7 × 4 = 28.

Question 3

What is the next term? 0.5, 1, 2, 4, 8, ___?

Accepted Answer

16

Answer

Each term is multiplied by 2, so 8 × 2 = 16.

Question 4

Complete the series: 50, 44, 38, 32, ___?

Accepted Answer

26

Answer

Each term decreases by 6, so 32 − 6 = 26.

Question 5

Identify the next number: 2, 6, 18, 54, ___?

Accepted Answer

162

Answer

Each term is multiplied by 3, so 54 × 3 = 162.

Basic Ability Test Practice Test