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Byju's Answer
Standard XII
Mathematics
Summation by Sigma Method
Find the wron...
Question
Find the wrong term in sequence :
5, 27, 61, 122, 213, 340, 509
A
27
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B
61
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C
122
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D
509
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E
213
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Solution
The correct option is
A
27
The correct sequence is
2
3
−
3
,
3
3
−
3
,
4
3
−
3
etc so 27 is a wrong term and it should be
3
3
−
3
=
24
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