Number Series Model Questions Set 2 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
12, 33, 96, ?, 852, 2553
(a) 288
(b) 384
(c) 285
(d) 250
e) None of these
The correct answers to the above question in:
Answer: (c)
The series is as follows: × 3 – 3
Hence, ? = 96 × 3 – 3 = 285
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Read more model question set 2 Based Quantitative Aptitude Questions and Answers
Question : 1
What should come in place of the question mark (?) in the following number serie?
0, 5, 18, 43, 84, 145, ?
a) 240
b) 280
c) 220
d) 260
e) None of these
Answer »Answer: (e)
Question : 2
What should come in place of the question mark (?) in the following number series?
64, 54, 69, 49, 74, 44, ?
a) 69
b) 99
c) 89
d) 59
e) None of these
Answer »Answer: (e)
The series is as follows:
64 + 5 = 69;
69 + 5 = 74;
74 + 5 = 79
54 – 5 = 49;
49 – 5 = 44
Question : 3
A wrong number is given in the following number series. Find out that wrong number.
16, 19, 21, 30, 46, 71, 107
a) 21
b) 46
c) 19
d) 30
e) 71
Answer »Answer: (c)
The series is based on the following pattern :
16 + $1^2$ = 17; not 19
17 + $2^2$ = 21
21 + $3^2$ = 30
30 + $4^2$ = 46
46 + $5^2$ = 71
71 + $6^2$ = 107
Clearly, 19 should replaced by 17.
Question : 4
What should come in place of the question mark (?) in the following number serie?
3, 7, 13, ?, 31, 43
a) 19
b) 21
c) 18
d) 23
e) None of these
Answer »Answer: (b)
The given number series is based on the following pattern:
7 + 6 = 13
13 + 8 = 21
21 + 10 = 31
31 + 12 = 43
Hence, the number 21 will replace the question mark.
Question : 5
Only one number is wrong in the following number series. Find out the wrong number.
19, 68, 102, 129, 145, 154
a) 129
b) 102
c) 154
d) 145
e) None of these
Answer »Answer: (b)
The series is + $(7)^2$, + $(6)^2$, + $(5)^2$, + $(4)^2$, + $(3)^2$
The wrong number is 102.
It should be 68 + $(6)^2$ = 104
Question : 6
What should come in place of the question mark (?) in the following number series?
5, 10, 13, 26, 29, 58, ?, 122
a) 61
b) 91
c) 60
d) 111
e) None of these
Answer »Answer: (a)
Add 3 after doubling the previous number.
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