Directions: In the following questions, a series of numbers is given and the given sequences of numbers in particular question is related to particular pattern. You are required to find out the correct ways in which the sequence is formed and there after find out the number to complete the series. You can also review your choices by clicking into answer section.
16. 32 29 26 23 20 17 14
A.11 8
B.12 8
C.11 7
D.32 29
E.10 9
Answer
Explanation:
In this simple subtraction series, the numbers decrease by 3.
17. Look at this series: 80, 10, 70, 15, 60, … What number should come next?
A.20
B.25
C.30
D.50
Answer
Explanation:
This is an alternating addition and subtraction series. In the first pattern, 10 is subtracted from each number to arrive at the next. In the second, 5 is added to each number to arrive at the next.
18. Look at this series: XXIV, XX, … , XII, VIII. What number should fill the blank?
A.XXII
B.XIII
C.XVI
D.IV
Answer
Explanation:
This is a simple subtraction series; each number is 4 less than the previous number.
19. Look at this series: (1/9), (1/3), 1, … , 9. What number should fill the blank?
A. (2/3)
B.3
C.6
D.27
Answer
Explanation:
This is a multiplication series; each number is 3 times the previous number.
20. Look at this series: F2, … , D8, C16, B32. What number should fill the blank?
A. A16
B.G4
C.E4
D.E3
Answer
Explanation:
The letters decrease by 1; the numbers are multiplied by 2.
21. Look at this series: 0.15, 0.3, … , 1.2, 2.4. What number should fill the blank?
A.4.8
B.0.006
C.0.6
D.0.9
Answer
Explanation:
This is a simple multiplication series. Each number is 2 times greater than the previous number.
22. Look at this series: U32, V29, … , X23, Y20. What number should fill the blank?
A.W26
B.W17
C.Z17
D.Z26
Answer
Explanation:
In this series, the letters progress by 1; the numbers decrease by 3.
23. 16 26 56 36 46 68 56
A.80 66
B.64 82
C.66 80
D.78 68
E.66 82
Answer
Explanation:
Here, every third number follows a different pattern from the main series. In the main series, beginning with 16, 10 is added to each number to arrive at the next. In the alternating series, beginning with 56, 12 is added to each number to arrive at the next.
24. 14 14 26 26 38 38 50
A.60 72
B.50 62
C.50 72
D.62 62
E.62 80
Answer
Explanation:
In this simple addition with repetition series, each number in the series repeats itself, and then increases by 12 to arrive at the next number.
25. 3 8 10 15 17 22 24
A.26 28
B.29 34
C.29 31
D.26 31
E.26 32
Answer
Explanation:
This is an alternating addition series that adds 5, then 2, then 5, and so on.
26. 17 14 14 11 11 8 8
A.8 5
B.5 2
C.8 2
D.5 5
E.5 8
Answer
Explanation:
In this simple subtraction with repetition series, each number is repeated, then 3 is subtracted to give the next number, which is then repeated, and so on.
27. 8 12 9 13 10 14 11
A.14 11
B.15 12
C.8 15
D.15 19
E.8 5
Answer
Explanation:
This is an alternating addition and subtraction series, in which the addition of 4 is alternated with the subtraction of 3.
28. 84 78 72 66 60 54 48
A.44 34
B.42 36
C.42 32
D.40 34
E.38 32
Answer
Explanation:
In this simple subtraction series, each number is 6 less than the previous number.
29. 21 25 18 29 33 18
A.43 18
B.41 44
C.37 18
D.37 41
E.38 41
Answer
Explanation:
This is a simple addition series with a random number, 18, interpolated as every third number. In the series, 4 is added to each number except 18, to arrive at the next number.
30. 8, 15, 24, 35, 48, 63, …
A. 70
B. 80
C. 75
D. 88
Answer
Explanation:
The difference between consecutive numbers increases by 2. 8+7 15+9 21+11…….. 63+17 = 80.
31. 28 25 5 21 18 5 14
A.11 5
B.10 7
C.11 8
D.5 10
E.10 5
Answer
Explanation:
This is an alternating subtraction series with the interpolation of a random number, 5, as every third number. In the subtraction series, 3 is subtracted, then 4, then 3, and so on.
32. 0, 1, 1, 2, 3, 5, 8, …
A. 12
B. 13
C. 14
D. 16
Answer
Explanation:
This is the Fibonacci Series. 0+1 = 1 1+1=2 ………. 5+8 = 13.
33. 9 11 33 13 15 33 17
A.19 33
B.33 35
C.33 19
D.15 33
E.19 21
Answer
Explanation:
In this alternating repetition series, a random number, 33, is interpolated every third number into a simple addition series, in which each number increases by 2.
34. Find the odd one out 19, 29, 39, 59, 79
A. 19
B. 39
C. 59
D. 79
Answer
Explanation:
All other numbers are prime numbers.
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