5, 27, 61, 122, 213, 340, 509

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122

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509

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Solution

The correct option is C 27
The terms of the series are $(2^{3} - 3), (3^{3} - 3), (4^{3} - 3), (5^{3} - 3), (6^{3} - 3), (7^{3} - 3), (8^{3} - 3)$ .
So, 27 is wrong and must be replaced $(3^{3} - 3)$ i.e. 24.

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Similar questions

5, 24, 65, 122, 213, 340

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