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With regards to a recent post on The Simpson’s triangles. We know that Simpson’s is quite a witty show. So is there a rule? Yes! And this rule is called Simpson’s Rule! But what [...]

This is a classical mathematical fallacies. At hindsight, everything looks perfectly fine. This is a rather difficult one as the error is actually hidden in the second last line! The mistake here [...]

This is a fairly simple and interesting question that test students on their algebra and arithmetic manipulation. Use of Calculator is NOT required. Ans: 4 Arithmetic Problem #7 Arithmetic [...]

I saw this problem on Facebook recently and thought its really quite interesting. Given , find . Ans: 0 Hint: Consider substituting some numbers in.

A J1 (Junior College Year 1) recently told me she was very impressed by what I did for her Mid years. Lets rewind a bit. Many J1s actually was worried about Mid years and wanted to have extra [...]

Remember the working on Taylor Series from your A-level Math MF15? This video walks you through what would be the Taylor’s Series of a polynomial. Surprised? Can you figure out why this is [...]

The Shannon number, named after Claude Shannon, is an estimated lower bound on the game-tree complexity of chess of 10120, based on about 103 initial moves for White and Black and a typical game [...]

When we do correlation & regression as a topic, we know correlation is talking about the relationship between two variables, but what exactly is “regression”? So this is a bit of [...]

A man write five letters, one each to A, B, C, D, and E. Each letter is placed in a separate envelope and sealed. He then addresses the envelopes, at random, on each to A, B, C, D, and E. Find [...]

This is a classical mathematical fallacies. At hindsight, everything looks perfectly fine. So did you manage to spot the error? It is at line 5, where we divide both sides of the equation by . [...]