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[WpProQuiz 7588]
Click Here to View Quantitative Aptitude Video Solution (Q. 1-10)
Missing number series
Directions (1 – 5): What value should come in the place of question mark in the given series?
1) 1, 4, 20, 120, 840, ?
a) 6710
b) 6720
c) 6730
d) 6740
e) 6750
2) ?, 8776, 1096, 136, 16, 1
a) 70216
b) 68296
c) 71216
d) 69346
e) 73426
3) 13, 15, 27, ?, 143, 293
a) 45
b) 63
c) 55
d) 76
e) 110
4) 41, 52, 67, 89, 121, ?
a) 145
b) 156
c) 166
d) 176
e) 172
5) 6, 3, 3, 4.5, ?, 22.5
a) 8.5
b) 7.5
c) 6.5
d) 9
e) 9.5
Wrong number series
Directions (6 – 10): Find the wrong number in the given series.
6) 22, 36, 54, 76, 102, 130
a) 22
b) 54
c) 130
d) 102
e) 76
7) 37, 75, 227, 911, 4559, 27358
a) 227
b) 911
c) 75
d) 37
e) 27358
8) 107, 118, 131, 148, 168, 190
a) 168
b) 131
c) 148
d) 190
e) 107
9) 17, 18, 34, 54, 68, 161
a) 17
b) 18
c) 34
d) 54
e) 161
10) 47, 54, 66, 80, 97, 112
a) 80
b) 66
c) 97
d) 112
e) 47
Answers :
Directions (1-5) :
1) Answer: b)
1 * 4 = 4
4 * 5 = 20
20 * 6 = 120
120 * 7 = 840
840 * 8 = 6720
2) Answer: a)
(8776 – 8)/8 = 1096
(1096 – 8)/8 = 136
(136 – 8)/8 = 16
(16 – 8)/8 = 1
Hence first term = 8776 * 8 + 8 = 70216
3) Answer: b)
13 + 12 + 13 =15
15 + 22 + 23 = 27
27 + 32 + 33 = 63
63 + 42 + 43= 143
143 + 52 + 53 = 293
4) Answer: c)
5) Answer: d)
6 * 1/2 = 3
3 * 2/2 = 3
3 * 3/2 = 4.5
4.5 * 4/2 = 9
9 * 5/2 = 22.5
6) Answer: c)
So instead of 120 it should be 132.
7) Answer: e)
37 * 2 + 1 = 75
75 * 3 + 2 = 227
227 * 4 + 3 = 911
911 * 5 + 4 = 4559
4559 * 6 + 5 = 27359
8) Answer: a)
107 + 11 = 118
118 + 13 = 131
131 + 17 = 148
148 + 19 = 167
167 + 23 = 190
9) Answer: e)
There are two series in this case. One starts with 17 the other one from 18.
17 * 2 = 34 18 * 3 = 54
34 * 2 = 68 54 * 3 = 162
10) Answer: a)
47 + 7 * 1 = 54
54 + 6 * 2 = 66
66 + 5 * 3 = 81
81 + 4 * 4 = 97
97 + 3 * 5 = 112
This post was last modified on January 3, 2020 5:32 pm