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NDA Math Sequences and Series

Consider the following for the next two (02) items that follow:
The interior angles of a polygon of n sides are in AP. The smallest angle is 120° and the common difference is 5°

[NDA II 2016]

Question : 65

Total: 79

How many possible values can n have ?

[NDA II 2016]

One
Two
Three
Infinitely many

Validate

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