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Question

Find the wrong term of the series :
2,6,10,20,30,42,56

A
6
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B
10
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C
20
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D
30
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Solution

The correct option is B 10
Given series is: 2, 6, 10, 20, 30, 42, 56.
Here, the difference between consecutive terms is as: +4, +6, +8, +10, +12, +14.
Clearly, 6 + 6 = 12.
Hence, option (B) is the correct answer.

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