by Ashani Dasgupta

Imagine a point P floating in the plane of a triangle ABC. How far is this point from the sides of the triangle? A point P is floating in the plane of a triangle ABC Think: Suppose ABC is a triangle. Specify three positive numbers: x, y, z (for example 2, 3, 4.9). Is... by Ashani Dasgupta

This is the story of a deltoid. It is known as Steiner Hypocycloid. It looks like a curved sided triangle. And it is traced out by something called a Simson line. Let us start the story from the beginning. We have a triangle ABC. We draw its circumcircle. And we pick... by Srijit Mukherjee

(Remember the Dudeney puzzle introduced in the last post. We have ended with the question “Why four?”…We will be revealing the reason in this post.) Obviously, by the way, we have given the algorithm, there is an upper bound to the number of pieces... by Srijit Mukherjee

Cheenta, with the zeal of a child, has a dream of training a perfect IMO team someday in the recent future. Also, the day, 22nd December is very special to Mathematics, which saw the birth of Ramanujan and is a very romantic day for every math-loving person. With that... by Srijit Mukherjee

Problem The polynomial \(x^7+x^2+1\) is divisible by (A) \(x^5-x^4+x^2-x+1\) (B) \(x^5-x^4+x^2+1\) (C) \(x^5+x^4+x^2+x+1\) (D) \(x^5-x^4+x^2+x+1\) . Also Visit: I.S.I. & C.M.I Entrance Program Understanding the Problem: The problem is easy... by Srijit Mukherjee

” Take care of yourself, you’re not made of steel. The fire has almost gone out and it is winter. It kept me busy all night. Excuse me, I will explain it to you. You play this game, which is said to hail from China. And I tell you that what Paris needs...