Number Series Model Questions Set 1 Section-Wise Topic Notes With Detailed Explanation And Example Questions
MOST IMPORTANT quantitative aptitude - 2 EXERCISES
The following question based on Number Series topic of quantitative aptitude
8, 20, 50, 125, ?, 781.25
(a) 295.5
(b) 312.5
(c) 300
(d) 315
e) None of these
The correct answers to the above question in:
Answer: (b)
The pattern of the series is as follows :
8 × 2.5 = 20
20 × 2.5 = 50
50 × 2.5 = 125
∴ ? = 125 × 2.5 = 312.5
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Read more model questions set 1 Based Quantitative Aptitude Questions and Answers
Question : 1
Only one number is wrong in the following number series. Find out the wrong number.
2, 54, 300, 1220, 3674, 7350
a) 1220
b) 54
c) 3674
d) 300
e) None of these
Answer »Answer: (c)
The series is
× 6 + 42, × 5 + 30, × 4 + 20, × 3 + 12, × 2 + 6,
The wrong number is 3674
It should be 1220 × 3 + 12 = 3672
Question : 2
What should come in place of the question mark (?) in the following number series?
0, 7, 26, ?, 124, 215
a) 51
b) 88
c) 37
d) 63
e) None of these
Answer »Answer: (d)
Try the pattern $n^3$ – 1. n = 1, 2, .......
Question : 3
What should come in place of the question mark (?) in the following number serie?
9, 27, 36, 63, 99, ?
a) 167
b) 162
c) 151
d) 152
e) 157
Answer »Answer: (b)
Here,
9 + 27 = 36
27 + 36 = 63
36 + 63 = 99
63 + 99 = 162.
Question : 4
What should come in place of the question mark (?) in the following number serie?
7413, 7422, 7440, ?, 7503, 7548
a) 7456
b) 7477
c) 7464
d) 7466
e) None of these
Answer »Answer: (e)
The series is as follows
+ 9, + 18, + 27, +36, + 45
Hence, ? = 7440 + 27 = 7467
Question : 5
What should come in place of the question mark (?) in the following number series?
11, 57, 149, 333, 701, (?)
a) 1347
b) 1437
c) 1447
d) 1368
e) None of these
Answer »Answer: (b)
The series is as follows: ×2 + 35
Hence, ? = 701 × 2 + 35 = 1437
Question : 6
What should come in place of the question mark (?) in the following number serie?
13, 20, 14, 19, 15, ?
a) 18
b) 17
c) 16
d) 21
e) 20
Answer »Answer: (a)
![number-series-mcq-problems-competitive-exams-quantitative-aptitude number-series-mcq-problems-competitive-exams-quantitative-aptitude](https://careericons.com/adminicon/bunch/images/number-series-mcq-problems-competitive-exams-16.png)
Hence, question mark (?) should be replaced by 18.
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