Number Series

Sort Difficulty Level: Entry Level | Moderate | Difficult
8, 24, 12,…?…18,54
28
no
36
yes
46
no
38
no
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4, 5, 8, 27, 104, ?
210
no
315
no
125
no
525
yes
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10, 18, 34, ? , 130, 258
23
no
60
no
68
no
66
yes
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Which one set of letters when sequentially placed at the gaps in the given letter series shall complete the series?
_b_da_ _bdd_a
Bdaba
yes
Dbabd
no
Bbada
no
Aabbb
no
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_abb_aaa_bb_aab_baa
Abbab
yes
Bbaab
no
Aabba
no
Bbbaa
no
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b_ac_bdac_bdbca_db
Cdab
no
Cdac
yes
Ccbd
no
Acbd
no
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24, 32, 38, 62, 74, __
102
yes
100
no
82
no
84
no
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1, 5, 25, 125, ? , ? , ? .
245, 485, 965
no
225, 325, 425
no
625, 3225, 15605
no
625, 3125, 15625
yes
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B E I N T ?
X
no
Y
no
A
yes
Z
no
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DA, HE, LI, ? , TQ
PJ
no
PT
no
PM
yes
PK
no
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