Number Series

Sort Difficulty Level: Entry Level | Moderate | Difficult
Find the wrong number in the series.
6, 12, 21, 32, 45, 60
6
yes
12
no
21
no
32
no
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4, 11, 30, 85, 248, ?
333
no
444
no
683
no
735
yes
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AZ, CX, EV, ?
HT
no
HU
no
GS
no
GT
yes
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Which one number is wrong in the given series?
126, 98, 70, 41, 14
98
no
70
no
126
no
41
yes
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Identify the wrong number in the series.
5, 13, 29, 61, 120, 253
120
yes
253
no
61
no
29
no
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The number of letters skipped in between adjacent letters in a series is 5. Which of the following series observes this rule ?
CIOUA
yes
CINUA
no
CIOTA
no
CIOUZ
no
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Which number is wrong in the given series?
1, 9, 25, 50, 81
1
no
25
no
50
yes
81
no
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ZCBA, YFED, XIHG, ?
WLKM
no
WJKL
no
WKLJ
no
WLKJ
yes
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AGMSY, CIOUA, EKQWC,…?… IOUAG, KQWCI
GMSYE
yes
FMSYE
no
GNSYD
no
FMYES
no
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975, 864, 753, 642,…?…
431
no
314
no
531
yes
532
no
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