• LOGIN
  • No products in the cart.

I.S.I. and C.M.I. Entrance Corner

Efficiency of Heat Engine

A heat engine absorbs heat of \(10^5Kcal\) from a source, which is at \(127^\circ\) and rejects a part of heat …

Power Consumption of Electric Heater (KVPY ’10)

An electric heater coonsists of a nichrome coil and under \(220V\) consuming \(1KW\) power. Part of its coil burned out …

Complete-Not Compact (TIFR 2013 problem 23)

Question: True/False? Let \(X\) be complete metric space such that distance between any two points is less than 1. Then …

Parallel Plate Capacitor using Paper Sheets

Suppose you are to construct a parallel plate capacitor of \(1\mu F\) by using paper sheets of thickness \(0.05mm\) as …

Understanding the Infinitesimal

Understanding the Infinitesimal¬† Cheenta Notes in Mathematics ¬† Adding infinitely many positive quantities, you may end up having something finite. …

Differentiability at origin (I.S.I. B.Stat, B.Math Subjective 2017)

Problem: Suppose \( f : \mathbb{R} \to \mathbb{R} \) is a function given by $$ f(x) = \left\{\def\arraystretch{1.2}% \begin{array}{@{}[email protected]{\quad}[email protected]{}} 1 …

Region close to center (I.S.I. B.Stat, B.Math Subjective 2017, Problem 4)

Problem: Let S be the square formed by the four vertices (1, 1), (1, -1), (-1, 1), and (-1, -1). …

Number theoretic function (I.S.I. B.Stat, B.Math 2017 Subjective 5)

Problem Let \( g: \mathbb{N} \to \mathbb{N} \) with g(n) being the product of the digits of n. Prove that …

Who’s Online

There are no users currently online

Subscribe to our Youtube Channel

Subscribe to our youtube channel to get updates on latest videos

Subscribe to Blog via Email

Enter your email address to subscribe to Cheenta Knowledge Portal and receive notifications of new posts by email.

Upcoming Events

  • Early Bird Math Olympiad December 14, 2017 at 4:30 pm – 6:00 pm
  • Early Bird Math Olympiad December 15, 2017 at 8:15 pm – 9:45 pm
  • Intermediate Math Olympiad December 15, 2017 at 8:15 pm – 9:45 pm
top
© Cheenta 2017

Login

Register

FACEBOOKGOOGLE Create an Account
Create an Account Back to login/register
X