PI Abstract Pattern Series 2

Question 1

A series follows: 2, 6, 18, 54, ___. What comes next?

Accepted Answer

162

Answer

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

Question 2

Shapes alternate: circle, square, triangle, circle, square, ___. What comes next?

Accepted Answer

Triangle

Answer

The pattern repeats in groups of three: circle, square, triangle.

Question 3

A number series reads: 100, 91, 83, 76, 70, ___. What is the next number?

Accepted Answer

65

Answer

The differences are -9, -8, -7, -6, -5, so 70 − 5 = 65.

Question 4

In a grid, each row sums to 15. Row 1: 4, 5, 6. Row 2: 3, 7, 5. Row 3: 6, 4, ___. What fills the blank?

Accepted Answer

5

Answer

Row 3 needs to sum to 15, and 6 + 4 + 5 = 15.

Question 5

A pattern of dots increases: 1, 4, 9, 16, ___. What is next?

Accepted Answer

25

Answer

These are perfect squares (1², 2², 3², 4²), so the next is 5² = 25.

PI - Cognitive Assessment Practice Test