Number Series Model Questions Set 1 Practice Questions Answers Test with Solutions & More Shortcuts
Number Series PRACTICE TEST [2 - EXERCISES]
Number Series Model Questions Set 1
Number Series Model Questions Set 2
Question : 1
Only one number is wrong in the following number series. Find out the wrong number.
4, 6, 18, 49, 201, 1011
a) 201
b) 49
c) 1011
d) 18
e) None of these
Answer »Answer: (d)
The series is
× 1 + 2, × 2 + 3, × 3 + 4, × 4 + 5, × 5 + 6
The wrong number is 18.
It should be 6 × 2 + 3 = 15
Question : 2
What should come in place of the question mark (?) in the following number serie?
1, 3, 24, 360, 8640, 302400, ?
a) 154152000
b) 15425100
c) 14525100
d) 14515200
e) None of these
Answer »Answer: (d)
The series is as follows
×3, ×8, × 15, ×24, ×35, ×48
Hence, ? = 302400 × 48
= 14515200
Question : 3
What should come in place of the question mark (?) in the following number serie?
12, 14, 32, 102, 416, 2090, ?
a) 12552
b) 17552
c) 15522
d) 13525
e) None of these
Answer »Answer: (a)
The series is as follows
×1 + 2, ×2 + 4, ×3 + 6, ×4 + 8, × 5 + 10, × 6 + 12...
Hence, ? = 2090 × 6 + 12 = 12552
Question : 4
What should come in place of the question mark (?) in the following number serie?
70000, 14000, 2800, ?, 112, 22.4
a) 420
b) 540
c) 640
d) 560
e) None of these
Answer »Answer: (d)
The series is as follows:
÷ 5
Hence, ? = 2800 ÷ 5 = 560
Question : 5
What should come in place of the question mark (?) in the following number series?
8, 15, 28, 53, ?
a) 98
b) 102
c) 106
d) 100
e) None of these
Answer »Answer: (b)
Let x = 8
then 15 = 2x – 1 = y
28 = 2y – 2 = z
53 = 2z – 3 = m
Next term in the pattern should be
2m – 4 = 2 × 53 – 4
= 102
IMPORTANT quantitative aptitude EXERCISES
Number Series Model Questions Set 1 Online Quiz
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