IBEW Number Sequences and Patterns 2

Question 1

What is the next number in the sequence: 3, 6, 12, 24, 48, ___?

Accepted Answer

96

Answer

Each term is multiplied by 2, so 48 × 2 = 96.

Question 2

Find the missing number: 100, 91, 82, 73, ___, 55

Accepted Answer

64

Answer

Each term decreases by 9, so 73 − 9 = 64.

Question 3

What comes next: 1, 4, 9, 16, 25, ___?

Accepted Answer

36

Answer

These are perfect squares (1², 2², 3²…), so the next is 6² = 36.

Question 4

Which number continues the pattern: 2, 5, 11, 23, 47, ___?

Accepted Answer

95

Answer

Each term is doubled then incremented by 1, so 47 × 2 + 1 = 95.

Question 5

Find the next term: 81, 27, 9, 3, ___?

Accepted Answer

1

Answer

Each term is divided by 3, so 3 ÷ 3 = 1.

IBEW - Aptitude Test Practice Test