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Summation by Sigma Method

Find a wrong ...

Question

Find a wrong number in the series:
8, 13, 21, 32, 47, 63, 83

A

13

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B

21

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C

32

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D

47

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E

83

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Solution

The correct option is D 47
Clearly the sequence has the logic +5, +8, +11, +14 etc
therefore instead of 47 it should be 46.

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