GATB GATB - General Aptitude Test Battery Abstract Reasoning Questions and Answers 1 — Questions and Answers
Question 1: In the series 2, 4, 8, 16, 32, what comes next?
- 48
- 56
- 64 (Correct answer)
- 72
Correct answer: 64
Each number is doubled, so 32 × 2 = 64.
Question 2: In the series 3, 6, 9, 12, 15, what comes next?
- 17
- 18 (Correct answer)
- 19
- 20
Correct answer: 18
The pattern increases by 3 each time, so 15 + 3 = 18.
Question 3: In the series 1, 4, 9, 16, 25, what comes next?
- 30
- 33
- 36 (Correct answer)
- 39
Correct answer: 36
These are perfect squares (1², 2², 3², 4², 5²), so the next is 6² = 36.
Question 4: In the series A, C, E, G, what comes next?
- H
- I (Correct answer)
- J
- K
Correct answer: I
Every other letter of the alphabet is used, so after G comes I.
Question 5: In the series 81, 27, 9, 3, what comes next?
- 1 (Correct answer)
- 2
- 0
- −1
Correct answer: 1
Each term is divided by 3, so 3 ÷ 3 = 1.
Question 6: In the series 5, 10, 20, 40, 80, what comes next?
- 100
- 120
- 140
- 160 (Correct answer)
Correct answer: 160
Each term is multiplied by 2, so 80 × 2 = 160.
In the series 2, 4, 8, 16, 32, what comes next?