Odd one out

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Pick the odd one out among the following options.
120 - 80
no
57 - 19
yes
45 - 30
no
63 - 42
no
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Pick the odd one out among the following options.
82
no
46
no
16
yes
64
no
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Pick the odd one out among the following options.
20
no
13
no
29
no
18
yes
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Pick the odd one out among the following options.
MONST
no
EGFLM
yes
CEDIJ
no
KMLQR
no
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Pick the odd one out among the following options.
C P
no
F R
yes
D Q
no
B O
no
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Pick the odd one out among the following options.
4
no
25
no
40
yes
49
no
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Pick the odd one out among the following options.
88
no
97
yes
132
no
121
no
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Pick the odd one out among the following options.
1
no
16
no
81
no
243
yes
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Pick the odd one out among the following options.
Bachelor
yes
Widow
no
Spinster
no
Wife
no
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Pick the odd one out among the following options.
I
no
E
no
B
yes
O
no
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