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July 28, 2021
CMI 2019 Problem | Solving Complex Inequality using Geometry

Let's discuss a problem from CMI Entrance Exam 2019 Problem that helps us to learn how to solve complex inequality problems using Geometry. The Problem: Count the number of roots $w$ of the equation $z^{2019} − 1 = 0$ over complex numbers that satisfy $|w + 1| ≥ 2 + √2$. The Solution: Some useful […]

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July 23, 2021
Gaussian Prime Spiral and Its beautiful Patterns

Author: Kazi Abu Rousan Mathematics is the science of patterns, and nature exploits just about every pattern that there is. Ian Stewart Introduction If you are a math enthusiastic, then you must have seen many mysterious patterns of Prime numbers. They are really great but today, we will explore beautiful patterns of a special type […]

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July 20, 2021
ISI B.Stat B.Math 2021 Objective Paper | Problems & Solutions

In this post, you will find ISI B.Stat B.Math 2021 Objective Paper with Problems and Solutions. This is a work in progress, so the solutions and discussions will be uploaded soon. You may share your solutions in the comments below. [Work in Progress] Problem 1 The number of ways one can express $2^{2} 3^{3} 5^{5} […]

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July 19, 2021
ISI B.Stat B.Math 2021 Subjective Paper | Problems & Solutions

In this post, you will find ISI B.Stat B.Math 2021 Subjective Paper with Problems and Solutions. This is a work in progress, so the solutions and discussions will be uploaded soon. You may share your solutions in the comments below. [Work in Progress] Problem 1: There are three cities each of which has exactly the […]

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July 18, 2021
CMI Entrance 2019 Problem from Transformation Geometry

Let's discuss a problem from CMI Entrance Exam 2019 based on the Inscribed Angle Theorem or Central Angle Theorem and Transformation Geometry. The Problem: Let $A B C D$ be a parallelogram. Let 'O' be a point in its interior such that $\angle A D B+\angle D O C=180^{\circ}$. Show that $\angle O D C=\angle […]

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July 15, 2021
Rational Root Theorem Proof Explanation | Learn with Cheenta

In this post, we will be learning about the Rational Root Theorem Proof. It is a great tool from Algebra and is useful for the Math Olympiad Exams and ISI and CMI Entrance Exams. So, here is the starting point.... $a_{n} x^{n}+a_{n-1} x^{n-1}+\ldots+a_{2} x^{2}+a_{1} x+a_{0}$ This polynomial has certain properties. 1. The coefficients are all […]

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June 19, 2021
ISI Entrance TOMOTO Subjective 89 - Complex Numbers

An interesting problem based on complex numbers and their inversion. This is a Subjective Problem 89 from the Test of Mathematics Book, highly recommended for the ISI and CMI Entrance Exams. Let's check out the problem and solutions in two episodes: Useful Resources Previous Year Problems for ISI and CMI How to use invariance in […]

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June 6, 2021
How to prepare for CMI Data Science Examination?

From the path of falling in love with data and chance. to an examination ISI MStat program is different and unique. We discuss that how ISI MStat program is something more than an exam. We will also discuss how to prepare for the exam.

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May 11, 2021
ISI MStat Past Year Question & Sample Papers - Download Pdfs

We have compiled all the Pdfs of the previous year's question papers and sample papers. This is a great resource for your ISI MStat Entrance Exam Preparation. ISI MStat 2020 Question Paper Pdf ISI MStat 2019 Question Paper Pdf ISI MStat 2018 Question Paper Pdf ISI MStat 2017 Question Paper Pdf ISI MStat 2016 Question […]

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April 28, 2021
ISI MStat PSA Answer Keys and Solutions

This is the list of answer key for ISI MStat PSA Portion. Enjoy.

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February 6, 2025
Problem 17: Australian Mathematics Competition 2023 – Intermediate Year

Dive into the discussion of the solution to Problem 17 from the 2023 AMC (Australian Mathematics Competition), Intermediate Year category.

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February 3, 2025
Problem 27: Australian Mathematics Competition 2023 – Junior Year

Dive into the discussion of the solution to Problem 27 from the 2023 AMC (Australian Mathematics Competition), Junior Year category.

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January 30, 2025
American Math Competition 8 (AMC 8) 2025 - Problem and Solution

American Math Competition 8 (AMC 8) 2024 Problems, Solutions, Concepts and discussions.

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January 23, 2025
Problem 28, Upper Primary: Australian Mathematics Competition 2023

Dive into the discussion of the solution to Problem 28
from the 2023 AMC (Australian Mathematics Competition), upper primary category.

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January 19, 2025
Indian National Mathematical Olympiad (INMO) 2025 Problem and Solution

Problems and Solutions from Indian National Mathematical Olympiad (INMO) 2025, the third level of Math Olympiad in India.

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January 15, 2025
Problem 29, Upper Primary: Australian Mathematics Competition 2023

Dive into the discussion of the solution to Problem 29 from the 2023 AMC (Australian Mathematics Competition), upper primary category.

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January 9, 2025
Problem 24: Australian Mathematics Competition 2023 – Upper Primary

Dive into the discussion of the solution to Problem 24 from the 2023 AMC (Australian Mathematics Competition), upper primary category.

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January 8, 2025
Australian Mathematics Competition 2021 – Intermediate, Problem 26

Let's discuss a problem from the AMC 2021 Intermediate: Problem 26 which revolves around basic algebra and combinatorics. Problem In Australian Rules football, a team scores six points for a 'goal' and one point for a 'behind'. During a game, Vladislav likes to record his team's score with a sequence of sixes and ones. There […]

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January 2, 2025
Australian Mathematics Competition - 2019 - Senior years 11 -12 Questions and Solutions

Access Australian Mathematics Competition past year paper of 2019 year 11 - 12 Senior to sharpen your problem-solving skills.

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January 2, 2025
Australian Mathematics Competition - 2020 - Senior years 11 -12 Questions and Solutions

Access Australian Mathematics Competition past year paper of 2020 year 11 - 12 Senior to sharpen your problem-solving skills.

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