Practice Quantitative Aptitude Questions For IBPS 2017 Exams (Number Series)

Practice Quantitative Aptitude Questions For IBPS 2017 Exams (Number Series):

Dear Readers, Important Practice Aptitude Questions for IBPS Exams 2017 was given here with Solutions. Aspirants those who are preparing for the Bank Examination and other Competitive Examination can use this material.

Directions (Q. 1-10): What will come in place of the question mark (?) in the following series.
1). 15 16 19 18 ? 20 27 22

1). The series is a combination of two series:
Series I: 15 + 4 = 19; 19 + 4 = 23; 23 + 4 = 27
Series II: 16 + 2 = 18; 18 + 2 = 20; 20 + 2 = 22
Answer is: A

2). 13 11 19 53 207 ? 6167

2). The series is: × 1 – 2, × 2 – 3, × 3 – 4, × 4 – 5, ....
Answer is: A

3). 6 8 10 13 16 ? 24

3). The series is: +2, +2, +3, +3, +4, +4, ...
Answer is: D

4). 2197 3375 4913 6859 ? 12167

4). The series is: (13)^3, (15)^3, (17)^3, (19)^3, ...
Answer is: D

5). 27 32 59 91 ? 241 391

5). The series is: 27 + 32 = 59; 32 + 59 = 91; 59 + 91 = 150; 91 + 150 = 241; 150 + 241 = 391
Answer is: E

6). 17, 16, 30, 87, 344, ?

6). The sequence of series is as follows.
17 × 1− 1 = 16
16 × 2 − 2 = 30
30 × 3 − 3 = 87
87 × 4 − 4 = 344
344 × 5 − 5 = 1715
Answer is: E

7). 29, 31, 37, 49, 69, ?

7). The sequence of series is as follows
29 + 2 × 1 = 31, 31+ 3 × 2 = 37
37 + 4 × 3 = 49, 49 + 5 × 4 = 69
69 + 6 × 5 = 99
Or
Difference of series is = 2, 6, 12, 20, 30
Difference of difference = 4, 6, 8, 10, 12
Answer is: B

8). 13, 13, 20, 37.5, 83, ?

8). The sequence of series is as follows
13 * 1/2 + 6.5 = 13, 13 × 1+ 7 = 20
20 * 3/2 + 7.5 = 37.5, 37.5 × 2 + 8 = 83
83 * 5/2 + 8.5 = 216
Answer is: B

9). 26, 12, 11, 15.5, 30, ?

9). The sequence of series is as follows.
26 * 1/2 − 1 = 12, 12 × 1− 1 = 11
11 * 3/2 − 1 = 15.5, 15.5 × 2 − 1 = 30
30 * 5/2 − 1 = 74
Answer is: C

10). 8, 9.4, 12.2, 17.8, 29, ?

10). The series difference is
=1.4, 2.8, 5.6, 11.2, 22.4
Answer: B

       

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