NNAT Number Series Patterns 3

Question 1

What comes next in the series? 1, 3, 9, 27, __

Accepted Answer

81

Answer

Each number is multiplied by 3, so 27 × 3 = 81.

Question 2

Find the next number: 1, 2, 4, 7, 11, __

Accepted Answer

16

Answer

The differences increase by 1 each time (+1, +2, +3, +4, +5), so 11 + 5 = 16.

Question 3

What is the next number? 10, 7, 9, 6, 8, 5, __

Accepted Answer

7

Answer

Two interleaved decreasing sequences: 10, 9, 8, 7 and 7, 6, 5; the next odd-position term is 7.

Question 4

What number comes next? 1, 4, 9, 16, 25, __

Accepted Answer

36

Answer

These are perfect squares (1², 2², 3², 4², 5², 6²), so the next is 6² = 36.

Question 5

Find the missing number: 64, 32, 16, 8, __

Accepted Answer

4

Answer

Each number is divided by 2, so 8 ÷ 2 = 4.

(NNAT) Naglieri Nonverbal Ability Test Practice Test