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Byju's Answer
Standard XII
Mathematics
Summation by Sigma Method
Find the Odd ...
Question
Find the Odd one among :
2, 5, 11, 22, 32, 47
A
23
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B
36
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C
27
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D
51
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Solution
The correct option is
B
36
Third number is the average of the first two numbers
∴
27
+
51
2
=
39
in place of 36
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