GRE Quant Ep 12: Counting & Sequences

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Can you quickly and effectively sum up a series of numbers or decipher the formula of a sequence? If the answer to either of those questions is "no", then this video is for you.

In this video, Harry -- a GMAT Ninja tutor -- will take the mystery out of these processes. Starting from the basics and working up to some tough, challenging problems, he'll help you understand how to approach a question on these topics.

This is video #12 in our series of full-length GRE quant lessons. For updates on upcoming videos, please subscribe!

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Chapters:
00:00 Introduction
02:15 Question 1 - How many terms?
08:01 Question 2 - Summing terms
17:20 Question 3 - Finding the sum in real life
24:01 Question 4 - Mean & median are the same
29:52 Question 5 - Sequences basics
38:15 Question 6 - Build your own sequence
45:43 Question 7 - Find the pattern
51:19 Question 8 - Find the pattern part II
58:36 Question 9 - Intimidating notation