Doorknop: A free GMAT Quant Preparation Guide

Hello ProductHunters! Introducing Doorknop, your free GMAT Quant Guide. I've built Doorknop, which provides tips and tricks to solve the quantitative section of the GMAT exam along with solutions of various problems from official guide and other sources like GMATclub, Manhattan etc. It's free, now, forever! My Credentials: GMAT 700 | Q51 | V35 Indian School of Business, Co2018 I started Doorknop because I just wanted to share my quant knowledge with the community and my experiences with GMAT at one place. I will keep updating the blog regularly and I'm open to taking questions from other users as well. Please check out my blog. I really hope you like the way I approach quantitative problems. Some Useful Links: If you're just starting your GMAT preparation and looking for some gyaan: http://bit.ly/2UdHbhN If you're struggling with your Data Sufficiency Approach: http://bit.ly/2UxsnK6 If your GMAT Date is approaching and you're looking for some last minute revision cheat sheet: http://bit.ly/2FL6ttz Some of the most common mistakes while preparing for GMAT and how to solve them: http://bit.ly/2YKfWdc It'd be great to hear back from you. Please share in your network if it's not relevant for you at the moment. :) To free education!