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Byju's Answer
Standard XII
Mathematics
Summation by Sigma Method
Find the odd ...
Question
Find the odd one out of the given alternatives.
A
43
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B
53
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C
63
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D
73
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Solution
The correct option is
B
63
43
,
53
,
73
are all prime numbers whereas
63
is divisible by
3
and
7
and hence it is not a prime number.
Thus,
63
is odd one out.
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