Let x (1), x (2), ..., x (n) be in an ...

Let `x _(1), x _(2), ..., x _(n)` be in an AP. If `x _(1) + x _(4) + x _(9) + x_(11) + x _(20) + x _(22) + x _(27) + x _(30) = 272,` then ` x _(1) + x _(2) + x_(3) + ...+ x _(30)` is equal to

A

1020

B

1200

C

716

D

2720

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The correct Answer is:

A

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