# TGIF Problem of the Week 12

Last week, we featured a problem about Analytical Geometry that can be solved using the concept of perpendicular bisector. This week, we will be tackling a problem about series. How good are you in series and number theory at the same time? Check the problem below to see it yourself.

**Problem:**

Find the last three digit of the finite series below.

Send your answer using the form below. Make sure to include your school or company. Solution will be presented on this page same day next week. Only answers using the button below will be accepted. Goodluck!

Check out the previous problems here.

[contact-form-7 id=”2341″ title=”Submitter”]

Correct answers were submitted by:

### Dan

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