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Algebra Level 1

Given that $a_1, a_2, a_3, \ldots , a_{111}$ follow an arithmetic progression. What will be their arithmetic mean?

Image Credit: Wikimedia Progression

{ a }_{ 60 }

{ a }_{ 56 }

{ a }_{ 49 }

{ a }_{ 38 }

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by Vaibhav Prasad

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