Number Series

Sort Difficulty Level: Entry Level | Moderate | Difficult
7, 12, 22, 42, 82, ? .

173
no
L62
yes
183
no
143
no
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313, 623, 933, 1243, ?
1863
no
2173
no
1553
yes
2483
no
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AGM, BHN, CIO, ?
COU
no
FQK
no
DJP
yes
QXD
no
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Find the next two letters in the given series.
B C E H L ? ?
XY
no
MN
no
QW
yes
OP
no
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Which one set of letters when sequentially placed at the gaps in the given letter series shall complete it?
a_ b_ a_ _n_bb_abbn
Abnabb
no
Bnbban
yes
Bnbbna
no
Babban
no
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D9Y, J27S, P81M, V243G, __?__.
A324B
no
C729B
no
B729A
yes
A729B
no
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Identify the wrong number in the series.
21, 28, 33, 35, 37, 36
21
no
36
no
33
no
35
yes
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Identify the wrong number in the series.
9, 19, 40, 83, 170, 340
83
no
40
no
340
yes
170
no
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2, 7, 27, 107, ?
327
no
427
yes
227
no
127
no
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5, 7, 11, ?, 35, 67
23
no
28
no
30
no
19
yes
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