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February 16, 2021
Test of Mathematics Solution Subjective 144 - Finding a Function's Upper Bound

This is a Test of Mathematics Solution Subjective 144 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta   Problem Suppose $ f(x)$ is […]

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February 16, 2021
Test of Mathematics Solution Subjective 127 -Graphing relations

This is a Test of Mathematics Solution Subjective 127 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem Find all (x, y) such that sin x + sin y = sin (x+y) […]

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February 16, 2021
Test of Mathematics Solution Subjective 126 - Graphs of Absolute Value Functions

This is a Test of Mathematics Solution Subjective 126 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem  Sketch, on plain paper, the regions represented, on the plane by the following: (i) […]

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February 16, 2021
Test of Mathematics Solution Subjective 125 - Function on Natural Numbers

This is a Test of Mathematics Solution Subjective 125  (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem  Let $ f: \mathcal{N} to \mathcal{N} $ be the function defined by f(0) = […]

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February 16, 2021
Test of Mathematics Solution Subjective 124 - Graph sketching

This is a Test of Mathematics Solution Subjective 124 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem  Sketch on plain paper, the graph of $ y = \frac {x^2 + 1} […]

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February 16, 2021
Graphing integer value function | Tomato Subjective 117

This is a subjective problem from TOMATO based on Graphing integer value function. Problem: Graphing integer value function Let [x] denote the largest integer (positive, negative or zero) less than or equal to x. Let $y= f(x) = [x] + \sqrt{x - [x]} ,s=2 $ be defined for all real numbers x. (i) Sketch on […]

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February 16, 2021
Test of Mathematics Solution Subjective 116 - Angles in a Triangle

This is a Test of Mathematics Solution Subjective 116 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem If A, B, C are the angles of a triangle, then show that $ […]

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February 16, 2021
Test of Mathematics Solution Subjective 115 - Trigonometric Relation

This is a Test of Mathematics Solution Subjective 115 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem If $\displaystyle { \frac{\sin^4 x }{a} + \frac{\cos^4 x }{b} = \frac{1}{a+b} }$ , […]

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February 16, 2021
Test of Mathematics Solution Subjective 113 - Vertices of a Triangle

This is a Test of Mathematics Solution Subjective 113 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Problem: Find the vertices of the two right angles triangles, each having area 18 and […]

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February 16, 2021
Test of Mathematics Solution Subjective 110 - Ratio of Diagonals of Cyclic Quadrilateral

This is a Test of Mathematics Solution Subjective 110 (from ISI Entrance). The book, Test of Mathematics at 10+2 Level is Published by East West Press. This problem book is indispensable for the preparation of I.S.I. B.Stat and B.Math Entrance. Also visit: I.S.I. & C.M.I. Entrance Course of Cheenta Problem: : Let ABCD be a […]

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October 24, 2024
Sharygin Geometry Olympiad 2024

Cheenta hosted the final round of prestigious Sharygin Geometry Olympiad in India conducted by organisers from esteemed institutions in Russia.. The olympiad is intended for high-school students of four eldest grades. This post contains the problems from this contest.

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October 23, 2024
Proving Cyclic Quadrilaterals and Right Angles: A Problem from the Singapore Math Olympiad

Concyclicity of Cyclic Quadrilateral and Angle chasing can help to solve complex geometry problems of Singapore Math Olympiads.

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October 18, 2024
Mastering Geometry with Apollonius Theorem and Cosine Rule: A Problem from the RMO 2005

Solve a beautiful geometry problem from RMO 2005 with the help of Apollonius Theorem and Cosine Rule along with Midpoint Theorem.

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October 16, 2024
39 Cheenta students succeeded in IOQM 2024

39 Cheenta students qualified for IOQM 2024 (RMO cut-off). About 130 kids students appeared in the contest from Cheenta this year making the success rate about 30%. This remarkable achievement is the result of months of dedicated effort. Most of these students regularly participated in Here are some of the qualified students who additionally qualified […]

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September 8, 2024
IOQM 2024 - Problems and Solutions

Problems and Solutions from IOQM 2024, the first level of Math Olympiad in India.

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August 31, 2024
Screening Test – Ramanujan Contest NMTC at Inter Level – XI & XII Standards 2024 – 2025

PART - A Problem 1 Let $1+\frac{1}{2}+\frac{1}{3}+\frac{1}{4}+\frac{1}{5}+\frac{1}{6}=\frac{m}{n}$, where $m$ and $n$ are positive integers with no common divisors other than 1 . The highest power of 7 that divides $m$ is A. 0B. 1C. 2D. 3 Problem 2 Five spherical balls of diameter 10 cm each fit inside a closed cylindrical tin with internal diameter […]

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August 31, 2024
Screening Test – Gauss Contest - NMTC Primary Level - V and VI Grades 2024-2025

Problem 1 Saket wanted to add two 2-digit numbers. But he multiplied them and got 629 as the answer. The sum of the two 2-digit numbers is a)56b) 52c) 54d) 46 Problem 2 The sum of three integers is 1 . Their product is 36 . The greatest of these three numbers is a) 12b) […]

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August 31, 2024
Screening Test – Bhaskara Contest(NMTC JUNIOR LEVEL—IX and X Grades)2024-2025

Question 01 If $x^2+x=1$, then the value of $\frac{x^7+34}{x+2}$ is equal to a) 7b) 1c) 13d) 17 Question 02 The angle between the hour hand and the minute hand of a clock at the time $9: 38 \mathrm{pm}$ is a) $60^{\circ}$b) $61^{\circ}$c) $59^{\circ}$d) $62^{\circ}$ Question 03 In the adjoining figure, $A O B$ is a […]

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August 31, 2024
Screening Test – Kaprekar Contest(NMTC SUB-JUNIOR LEVEL—VII and VIII Grades)2024-2025

Question 01 There is a 6-digit number in which the first and the fourth digit from the first are the same, the second and the fifth digit from the first are the same and the third and the sixth digit from the first are the same. Then the number is always a) A square numberb) […]

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August 10, 2024
Cheenta students featured in a Times Of India story on Mathematical Olympiads

Times of India Story features Cheenta students and India's growing prowess in mathematical Olympiads.

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January 25, 2026
American Mathematics Competition 10A - 2025

Problem 1 Andy and Betsy both live in Mathville. Andy leaves Mathville on his bicycle at $1: 30$, traveling due north at a steady 8 miles per hour. Betsy leaves on her bicycle from the same point at $2: 30$, traveling due east at a steady 12 miles per hour. At what time will they […]

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January 25, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2005

The AMC 8 (2005) is a 40-minute, 25-question multiple-choice contest for middle-school students (Grade 8 and below).
It tests problem-solving in arithmetic, algebra, geometry, counting, and probability (not complex calculus).

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January 24, 2026
American Mathematics Competition 8 - 2025

Problem 1 Andy and Betsy both live in Mathville. Andy leaves Mathville on his bicycle at $1: 30$, traveling due north at a steady 8 miles per hour. Betsy leaves on her bicycle from the same point at $2: 30$, traveling due east at a steady 12 miles per hour. At what time will they […]

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January 24, 2026
American Mathematics Competition 8 - 2024

Problem 1 What is the ones digit of $$222,222-22,222-2,222-222-22-2 ?$$ (A) 0(B) 2(C) 4(D) 6(E) 8 Answer: (B) 2 Problem 2 What is the value of this expression in decimal form? $$\frac{44}{11}+\frac{110}{44}+\frac{44}{1100}$$ (A) 6.4(B) 6.504(C) 6.54(D) 6.9(E) 6.94 Answer: (C) 6.54 Problem 3 Four squares of side length $4,7,9$, and 10 units are arranged in […]

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January 22, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2004

AMC 8 2004 is a classic middle-school math contest featuring 25 engaging problems in algebra, geometry, counting, probability, and logical reasoning. It tests speed, accuracy, and smart problem-solving strategies in a fun competitive format.

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January 20, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2007

Problem 1Theresa's parents have agreed to buy her tickets to see her favorite band if she spends an average of 10 hours per week helping around the house for 6 weeks. For the first 5 weeks, she helps around the house for $8,11,7,12$ and 10 hours. How many hours must she work during the final […]

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January 17, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2003

Get the official AMC 8 - 2003 paper with all questions. This exam from the Mathematical Association of America helps young students practice analytical thinking and prepare effectively for upcoming competitions.

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January 17, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2002

The AMC 8 - 2002 paper is a middle-school level mathematics contest featuring engaging problems that test logical reasoning, number sense, and problem-solving skills. This paper is ideal for students preparing for Math Oympiads and competitive exams.

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January 16, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2010

Problem 1 At Euclid High School, the mathematics teachers are Mrs. Germain, Mr. Newton, and Mrs. Young. There are 11 students in Mrs. Germain's class, 8 in Mr. Newton, and 9 in Mrs. Young's class are taking the AMC 8 this year. How many mathematics students at Euclid High School are taking the contest?(A) 26(B) […]

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January 15, 2026
American Mathematics Competition - 2006

Problem 1 Mindy made three purchases for $\$ 1.98, \$ 5.04$ and $\$ 9.89$. What was her total, to the nearest dollar?(A) $\$ 10$(B) $\$ 15$(C) $\$ 16$(D) $\$ 17$(E) $\$ 18$ Answer: (D) $\$ 17$ Problem 2 On the AMC 8 contest Billy answers 13 questions correctly, answers 7 questions incorrectly and doesn't answer […]

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