## [Efficiency Hack] Read What You Need Using RSS Feed

Date: 3 October 2020 How many news apps are installed on your phone? I used to have many. Every day, you will receive hundreds of notifications telling you what you should read now. I don’t like being passively fed with information that I don’t really care. So, I found a way to read only what …

## Reading Math Symbols

Date : 7 July 2020 Sometimes, it is quite scary to read Maths. Just like learning a new language, we need to understand the symbols/ vocabulary first. In this post, I am going to talk about some common maths symbols. The following content is extracted from my YouTube video. Logic Symbols Conditional and Bi-conditional Connectives …

## Brainteaser #5

A small boat is floating in a swimming pool. The boat contains a very small (very very very small) but very heavy rock. If the rock is tossed out of the boat into the pool, what happens to the water level in the pool? It is related to Physics, but also common sense. A floating …

## Math and Machine Learning Resources for Self Learner

Linear Algebra Textbook: Linear Algebra Done Right (Edition 3)Selected Exercises: Berkeley Math 110Solutions: Link Textbook: Linear Algebra Done Wrong Probability Introduction to Probabilityhttps://ocw.mit.edu/resources/res-6-012-introduction-to-probability-spring-2018/ andhttps://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-041-probabilistic-systems-analysis-and-applied-probability-fall-2010/ Machine Learnings Cornell CS4780 Machine Learning for Decision MakingYouTube: https://www.youtube.com/channel/UC7p_I0qxYZP94vhesuLAWNA/playlistsCourse webpage: https://www.cs.cornell.edu/courses/cs4780/2018fa/Course note: https://www.cs.cornell.edu/courses/cs4780/2018fa/lectures/

## Brainteaser #4

I have a 20*20 chessboard and a very large box of identical cubes. Each square on the chessboard is the same size as the face of any cube. I am going to arrange piles of cubes on the chessboard in a special pattern. I align one edge of the board so it is running north-south. …

## Brainteasers #2

are the nine integers from one to nine (not necessarily in order). They satisfy the following constraints: What values are taken by each of A to I? Answer below: Since and sum to 40, must be 5. If E is 5, subtracting equation 1 with equation 2, A – 5 – F = 0; subtracting …

## Brainteasers #1

Flip 98 fair coins and 1 HH coin and 1 TT coin. Given that you see an H, what is the probability that it was the HH coin? Explain in layman’s terms. Fair coins: Head (H) and Tail(T)HH coin: Both sides are headTT coin; Both sides are tail Answer below: There are 100 heads in …

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