Number Series

Sort Difficulty Level: Entry Level | Moderate | Difficult
B2D, E3H, I4M, ?
N5R
no
N5T
no
N5S
yes
N5Q
no
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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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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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