CAT4 Number Series 2 — Questions and Answers
Question 1: What number comes next? 3, 6, 12, 24, ?
- 36
- 48 (Correct answer)
- 30
- 42
Correct answer: 48
Each term doubles, so 24 x 2 = 48.
Question 2: What number comes next? 1, 4, 9, 16, ?
- 20
- 25 (Correct answer)
- 24
- 30
Correct answer: 25
These are perfect squares, so the next is 5 squared = 25.
Question 3: What number is missing? 7, 14, ?, 28, 35
- 20
- 21 (Correct answer)
- 22
- 24
Correct answer: 21
The series counts up by 7, so the missing term is 21.
Question 4: What number comes next? 100, 90, 80, 70, ?
- 50
- 65
- 60 (Correct answer)
- 55
Correct answer: 60
Each term decreases by 10, so 70 - 10 = 60.
Question 5: What number comes next? 2, 5, 11, 23, ?
- 46
- 47 (Correct answer)
- 44
- 45
Correct answer: 47
Each term doubles and adds 1, so 23 x 2 + 1 = 47.
Question 6: What number is missing? 5, 10, 20, ?, 80
- 30
- 40 (Correct answer)
- 50
- 60
Correct answer: 40
Each term doubles, so 20 x 2 = 40.
Question 7: What number comes next? 81, 27, 9, 3, ?
- 1 (Correct answer)
- 2
- 0
- 6
Correct answer: 1
Each term is divided by 3, so 3 / 3 = 1.
CAT4 Number Series 2
What number comes next? 3, 6, 12, 24, ?