Air University Entry Test intelligence Series Completion — Set 2

Air University Entry Test intelligence Series Completion — Set 2

1. Question 1

   Q1. Complete the series: 1, 2, 3, 5, 8, ?

   • A) 13
   • B) 12
   • C) 15
   • D) 14

   Answer: 13

   Explanation: The series is a Fibonacci sequence where each term is the sum of the two preceding terms.

2. Question 2

   Q2. Complete the series: 2, 6, 18, 54, ?

   • A) 162
   • B) 160
   • C) 165
   • D) 170

   Answer: 162

   Explanation: The series is a geometric progression with a common ratio of 3.

3. Question 3

   Q3. Complete the series: 1, 4, 7, 10, 13, ?

   • A) 16
   • B) 17
   • C) 18
   • D) 19

   Answer: 16

   Explanation: The pattern is obtained by adding 3 to the previous term. NET aptitude items reward fast recognition of the underlying pattern.

4. Question 4

   Q4. Complete the series: 2, 9, 28, 65, 126, ?

   • A) 217
   • B) 218
   • C) 219
   • D) 220

   Answer: 217

   Explanation: The series is formed by the formula n³ + 1, where n = 1, 2, 3, ... .

5. Question 5

   Q5. Complete the series: 3, 4, 6, 9, 13, ?

   • A) 18
   • B) 19
   • C) 20
   • D) 21

   Answer: 18

   Explanation: The pattern is obtained by adding 1, 2, 3, 4, 5, ... to the previous term.

6. Question 6

   Q6. Complete the series: 3, 6, 9, 12, ?

   • A) 15
   • B) 18
   • C) 14
   • D) 16

   Answer: 15

   Explanation: The series is an arithmetic progression with a common difference of 3, so the next term is 15.

7. Question 7

   Q7. Complete the series: 3, 5, 7, 9, ?

   • A) 11
   • B) 12
   • C) 10
   • D) 13

   Answer: 11

   Explanation: The series is an arithmetic progression with a common difference of 2, so the next term is 11.

8. Question 8

   Q8. Complete the series: 1, 2, 3, 5, ?

   • A) 8
   • B) 7
   • C) 6
   • D) 9

   Answer: 8

   Explanation: The series is a Fibonacci sequence where each term is the sum of the two preceding terms, so the next term is 8.

9. Question 9

   Q9. Complete the series: 1, 6, 11, 16, ?

   • A) 21
   • B) 20
   • C) 25
   • D) 24

   Answer: 21

   Explanation: The series is an arithmetic progression with a common difference of 5, so the next term is 21.

10. Question 10

    Q10. Complete the series: 2, 10, 50, 250, ?

    • A) 1250
    • B) 1200
    • C) 1300
    • D) 1280

    Answer: 1250

    Explanation: The series is a geometric progression with a common ratio of 5, so the next term is 1250.

11. Question 11

    Q11. Complete the series: 1, 3, 9, 27, ?

    • A) 81
    • B) 80
    • C) 85
    • D) 90

    Answer: 81

    Explanation: The series is a geometric progression with a common ratio of 3, so the next term is 81.

12. Question 12

    Q12. 1, 2, 3, 5, 8, ?

    • A) 13
    • B) 12
    • C) 14
    • D) 15

    Answer: 13

    Explanation: The sequence is a Fibonacci sequence where each term is the sum of the two preceding terms.

13. Question 13

    Q13. 2, 4, 6, 8, 10, ?

    • A) 12
    • B) 11
    • C) 13
    • D) 14

    Answer: 12

    Explanation: The sequence consists of consecutive even integers, adding 2 to the previous term.

14. Question 14

    Q14. 1 / 2, 1 / 4, 1 / 8, 1 / 16, 1 / 32, ?

    • A) 1 / 64
    • B) 1 / 63
    • C) 1 / 65
    • D) 1 / 66

    Answer: 1 / 64

    Explanation: The denominator doubles in each successive term, a geometric progression with common ratio 1/2.

15. Question 15

    Q15. 10, 20, 30, 40, 50, ?

    • A) 60
    • B) 59
    • C) 61
    • D) 62

    Answer: 60

    Explanation: The sequence is an arithmetic progression with common difference 10. NET aptitude items reward fast recognition of the underlying pattern.

16. Question 16

    Q16. 1, 6, 11, 16, 21, ?

    • A) 26
    • B) 25
    • C) 27
    • D) 28

    Answer: 26

    Explanation: The sequence is an arithmetic progression with common difference 5. NET aptitude items reward fast recognition of the underlying pattern.

17. Question 17

    Q17. 6, 11, 16, 21, 26, ?

    • A) 31
    • B) 30
    • C) 32
    • D) 33

    Answer: 31

    Explanation: The sequence is an arithmetic progression with common difference 5. NET aptitude items reward fast recognition of the underlying pattern.

18. Question 18

    Q18. Complete the series: 1, 2, 4, 8, ?

    • A) 16
    • B) 18
    • C) 20
    • D) 22

    Answer: 16

    Explanation: The series is a powers-of-2 sequence: 2⁰ = 1, 2¹ = 2, 2² = 4, 2³ = 8, 2⁴ = 16.

19. Question 19

    Q19. Complete the series: 5, 10, 15, 20, ?

    • A) 25
    • B) 26
    • C) 28
    • D) 30

    Answer: 25

    Explanation: The pattern is obtained by adding 5 to the previous term, so the series is formed by multiples of 5.

20. Question 20

    Q20. Complete the series: 2, 5, 8, 11, ?

    • A) 14
    • B) 15
    • C) 16
    • D) 17

    Answer: 14

    Explanation: The pattern is obtained by adding 3 to the previous term. NET aptitude items reward fast recognition of the underlying pattern.