GRE Quant Ep 12: Counting & Sequences

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! Want more GRE test-prep tips and advice? Subscribe to our YouTube channel: https://www.youtube.com/@GRENinjaTutoring For more information about GRE tutoring: https://www.gmatninja.com/ For updates on this series and our other projects: https://www.instagram.com/gmatninja/ For more on Harry Duthie and his penchant for bench-pressing students who refuse to do their homework: https://www.gmatninja.com/harry-duthi... 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