In the math world, a unique challenge emerges, combining algebra and number theory. The goal: show that specific equation solutions aren't simple fractions. We reveal a key insight about b² - 4ac: it's always a distinct odd perfect square. Using "parity check," No matter the numbers, the left side remains even, while the right side stays odd. The result: these solutions differ from simple fractions, highlighting math's power in problem-solving.
In 2023, the following Cheenta students are successful for Indian Statistical Institute's B.Stat Entrance and Chennai Mathematical Institute's B.Sc. Math Entrance. They ranked within the first 100 in the entire country in these entrances. Most of these students attended the problem solving workshops regularly, which happen 5 times every week. CMI B.Sc. Math Entrance I.S.I. […]
The leaders in the IOQM, ISI Entrance, American Math Competitions and Math Kangaroo mock contests in Cheenta
Please use the following form to contribute problems of CMI BSc Math Entrance 2023. We will work on the solutions. Also come back to this page to see the updates on Problems and Solutions of CMI BSc Math Entrance 2023. B1. Let \( n \) be an odd positive number greater than 1. We have […]
Questions, Solutions and discussions on ISI BStat-BMath Entrance 2023.
Solutions of INMO 2023 Problem 1 Let $S$ be a finite set of positive integers. Assume that there are precisely $2023$ ordered pairs $(x, y)$ in $S \times S$ so that the product $xy$ is a perfect square. Prove that one can find at least four distinct elements in $S$ so that none of their […]
Understand how Cheenta Math Circles are critical for training students for math olympiads and other advanced mathematical competitions.
Problems, solutions and discussion on IOQM 2022 (India).
Access the complete AMC 8 - 2001 paper with carefully arranged questions for practice. Ideal for students in Grades 6–8 preparing for AMC 8, math olympiads, and competitive problem-solving.
Problem 1 Rachelle uses 3 pounds of meat to make 8 hamburgers for her family. How many pounds of meat does she need to make 24 hamburgers for a neighborhood picnic? Answer: (E) 9. Problem 2 In the country of East Westmore, statisticians estimate there is a baby born every 8 hours and a death […]
Problem 1 Margie bought 3 apples at a cost of 50 cents each. She paid with a 5 -dollar bill. How much change did Margie receive? Answer: (E) Is the correct answer. Problem 2 Karl's rectangular vegetable garden is 20 by 45 feet, and Makenna's is 25 by 40 feet. Which garden is larger in […]
The 2018 American Mathematics Contest 8 (AMC 8) was a 25-question, 40-minute multiple-choice exam for students, focused on core middle-school problem solving.
It tested logical reasoning and fundamentals from areas like algebra, geometry, number theory, and counting/probability
The 2017 American Mathematics Competition 8 (AMC 8) was a 25-question, 40-minute multiple-choice exam for students in Grade 8 and below, organised by the MAA.
It focused on middle-school problem solving across arithmetic, algebra basics, geometry, and counting/probability, testing speed + reasoning without advanced mathematics.
The AMC 8 2025 past paper is a perfect benchmark for serious preparation. Use this latest official paper to understand the current difficulty level, identify important topic patterns, and practise solving questions efficiently under timed conditions.
The AMC 8 2021 past paper is one of the best practice resources for students aiming to excel in competitive mathematics. Use this official question paper to train your reasoning skills, learn smart shortcuts, and develop the speed needed for Olympiad-style exams like AMC 8.
Practice the official AMC 8 2021 past paper to build strong foundations in competitive Mathematics. This post provides the complete question paper PDF to help students improve problem-solving speed, accuracy, and reasoning for AMC 8 and Olympiad preparation.
Practice the official AMC 8 2020 past paper to sharpen your mathematical problem-solving skills. This post includes the complete question paper PDF for students preparing for AMC 8 and maths olympiads, helping improve accuracy, speed, and logical thinking.
The 2019 American Mathematics Contest 8 (AMC 8) was a 25-question, 40-minute multiple-choice math competition for middle school students (grades 8 and below).