Official Quants Group|CAT:2019|MBA:2020-2022

Hi,

Can someone explain what is '17th part' in below question. I am not able to understand that statement.

CAT Helpline Office Hours | What to do besides CAT Preparation?

https://youtu.be/5CVAfIP65oE

Speed up Geometry

In this CAT QA Geometry Explainer we deal with some special triangles that you should be familiar with so that you can quickly solve the questions in Geometry. These triangles are very frequent in CAT Geometry and Trigonometry based questions and knowledge of these triangles (sides, angles, etc) can be a huge time saver in the Geometry section.  

CAT QA Explainers – Special Triangles

https://youtu.be/iJ49oUfahAw

All about CAT 2020 Notification 

https://youtu.be/03E-gu-zdVw

Question - N is a four digit number whose unit digit is half of its thousand digit and the two middle digits are equal. Find the average of all such numbers. 

In the provided solution , the average across digit distribution is taken and represented in the 4 digit number form. Does this hold true that average of digits when put into a general number format give the average of the range of numbers? 

@Shankarji Sir, can you please explain this?

CAT QA Explainer | Geometry | Mensuration | Triangles 

Geometry is a vast area when it comes to the QA section of the CAT examination. Triangles are a favorite of the CAT QA section. In this explainer, we use solve past CAT and XAT Questions using basic properties of a triangle like Triangle inequality, Pythagoras Theorem, Hero’s Formula, etc.  

CAT QA Explainer – Triangle Basics

https://youtu.be/ke-zhP2s2Ws

solution

CAT QA Explainer | Algebra | How to get 99.5%tile, 95%tile, 90%tile | What to Skip?

Algebra shows up in quite a few questions in the CAT QA section. The common areas are Functions, Progressions and Indices, Surds and Logarithms. In this explainer video we look at the common areas and the study plan to master these areas.  

CAT QA Explanier – Algebra+

https://youtu.be/ygqboh__oW0