NNAT Number Series Patterns 3 — Questions and Answers
Question 1: What comes next in the series? 1, 3, 9, 27, __
- 54
- 72
- 81 (Correct answer)
- 90
Correct answer: 81
Each number is multiplied by 3, so 27 × 3 = 81.
Question 2: Find the next number: 1, 2, 4, 7, 11, __
- 14
- 15
- 16 (Correct answer)
- 17
Correct answer: 16
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, __
- 7 (Correct answer)
- 6
- 4
- 3
Correct answer: 7
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, __
- 30
- 34
- 36 (Correct answer)
- 49
Correct answer: 36
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, __
- 2
- 4 (Correct answer)
- 6
- 8
Correct answer: 4
Each number is divided by 2, so 8 ÷ 2 = 4.
Question 6: What continues this pattern? 2, 4, 3, 6, 4, 8, __
- 5 (Correct answer)
- 10
- 6
- 12
Correct answer: 5
Odd-position terms (2, 3, 4, ...) increase by 1 each time, so the next odd-position term is 5.
Question 7: What number comes next? 4, 8, 12, 16, 20, __
- 22
- 24 (Correct answer)
- 26
- 28
Correct answer: 24
Each number increases by 4 (multiples of 4), so 20 + 4 = 24.
NNAT Number Series Patterns 3
What comes next in the series? 1, 3, 9, 27, __