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February 15, 2021
Test of Mathematics Solution Subjective 55 - Partition of a set of functions

This is a Test of Mathematics Solution Subjective 55 (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 For a finite set A, […]

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February 15, 2021
Test of Mathematics Solution Subjective 50 -Dictionary Ranking

This is a Test of Mathematics Solution Subjective 50 (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 All the permutation of the […]

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February 15, 2021
Test of Mathematics Solution Subjective 49 - Arrangement of Similar Items

This is a Test of Mathematics Solution Subjective 49 (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: \(x\) red balls, \(y\) black balls,\(z\) […]

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February 15, 2021
Test of Mathematics Solution Subjective 48 - The Gifts Distribution

This is a Test of Mathematics Solution Subjective 48 (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 Find the different number of […]

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February 15, 2021
Test of Mathematics Solution Subjective 43-Integer Root

This is a Test of Mathematics Solution Subjective 43 (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 Show that the equation $ […]

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February 15, 2021
Test of Mathematics Solution Subjective 38 - When 30 divides a prime

Test of Mathematics Solution Subjective 38 (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 see: Cheenta I.S.I. & C.M.I. Entrance Course Problem Show that if a prime number p is divided […]

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February 15, 2021
Test of Mathematics Solution Subjective 37 - The prime 13

Test of Mathematics Solution Subjective 37 (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 see: Cheenta I.S.I. & C.M.I. Entrance Course Problem Supposed p is a prime Number such that (p-1)/4 […]

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February 15, 2021
Test of Mathematics Solution Subjective 36 - Invariance Principle

Test of Mathematics Solution Subjective 36 (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 see: Cheenta I.S.I. & C.M.I. Entrance Course Problem Let $ a_1 , a_2 , ... , a_n […]

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February 15, 2021
Test of Mathematics Solution Subjective 33 - Symmetrical Minima

Test of Mathematics Solution Subjective 33 (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 see: Cheenta I.S.I. & C.M.I. Entrance Course Problem Let \(k\) be a fixed odd positive integer. Find […]

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February 15, 2021
Test of Mathematics Solution Subjective 32 | Power of 3

Test of Mathematics Solution Subjective 32 (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 see: Cheenta I.S.I. & C.M.I. Entrance Course Problem Show that the number 11...1 with $ 3^n $ […]

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December 28, 2023
14 Cheenta students cracked the Regional Math Olympiad 2023

14 out of 27 students from Cheenta Academy cracked the prestigious Regional Math Olympiad. In this post, we will share some of their success stories and learning strategies.

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November 17, 2023
Ramanujan Contest (NMTC Inter 2018 - XI and XII Grades) - Stage I- Problems and Solution

NMTC RAMANUJAN (grade 11 and 12) Stage I - Problems and Solutions.

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November 17, 2023
Bhaskara Contest (NMTC Junior 2018 - IX and X Grades) - Stage I- Problems and Solution

NMTC BHASKARA(grade 9 and 10) Stage I- Problems and Solutions.

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November 17, 2023
Kaprekar Contest (NMTC Sub-Junior 2018 - VII and VIII Grades) - Stage I- Problems and Solution

NMTC KAPREKAR (grade 7 and 8) Stage I - Problems and Solutions.

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November 17, 2023
Gauss Contest (NMTC PRIMARY 2018 - V and VI Grades) - Stage I- Problems and Solution

NMTC GAUSS (grade 5 and 6) Stage I - Problems and Solutions.

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November 15, 2023
Ramanujan Contest (NMTC Inter 2019 - XI and XII Grades) - Stage I - Problems and Solution

NMTC RAMANUJAN (grade 11 and 12) Stage I - Problems and Solutions.

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November 15, 2023
Gauss Contest (NMTC PRIMARY 2019 - V and VI Grades) - Stage I- Problems and Solution

NMTC GAUSS (grade 5 and 6) Stage I - Problems and Solutions.

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November 15, 2023
Kaprekar Contest (NMTC Sub-Junior 2019 - VII and VIII Grades) - Stage I- Problems and Solution

NMTC KAPREKAR(grade 7 and 8) Stage I- Problems and Solutions.

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November 15, 2023
Bhaskara Contest (NMTC Junior 2019 - IX and X Grades) - Stage I- Problems and Solution

NMTC BHASKARA(grade 9 and 10) Stage I - Problems and Solutions.

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November 4, 2023
NMTC 2023 Stage II - Gauss (Grade 5 & 6) - Problems and Solutions

Try this NMTC Gauss (Grade 5 & 6) Final Stage II Problems and Solutions.

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January 7, 2026
American Mathematics Competition 8 - 2008

Problem 1 Susan had $\$ 50$ to spend at the carnival. She spent $\$ 12$ on food and twice as much on rides. How many dollars did she have left to spend?(A) 12(B) 14(C) 26(D) 38(E) 50 Answer : B Problem 2 The ten-letter code BEST OF LUCK represents the ten digits $0-9$, in order. […]

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January 6, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2014

Problem 1 Harry and Terry are each told to calculate $8-(2+5)$. Harry gets the correct answer. Terry ignores the parentheses and calculates $8-2+5$. If Harry's answer is $H$ and Terry's answer is $T$, what is $H-T$ ?(A) -10(B) -6(C) 0(D) 6(E) 10 Answer (A) -10 Problem 2 Paul owes Paula 35 cents and has a […]

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January 4, 2026
American Mathematics Competition 8 - 2009

American Mathematics Competition 8 (AMC 8) – 2009 features a carefully selected set of middle-school-level problems designed to test logical thinking, arithmetic skills, and problem-solving ability. This post presents the questions with clear answers, making it a useful resource for students preparing for AMC 8 and similar mathematics competitions.

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January 4, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2023

A thoughtfully curated collection of problems and solutions from the AMC 8 2023. This post offers clear explanations, logical reasoning, and step-by-step solutions to help students strengthen their foundations and prepare confidently for mathematics Olympiads.

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January 3, 2026
AMERICAN MATHEMATICS COMPETITION 8 - 2024

A complete and carefully written set of problems and solutions from the American Mathematics Competition 8 (AMC 8) 2024. This post presents clear mathematical reasoning, step-by-step solutions, and multiple-choice answers, making it useful for students preparing for Olympiad-level competitions as well as teachers guiding structured problem-solving practice.

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December 26, 2025
8 Cheenta students cracked the Regional Math Olympiad 2025 

In 2025, 8 students from Cheenta Academy cracked the prestigious Regional Math Olympiad. In this post, we will share some of their success stories and learning strategies. The Regional Mathematics Olympiad (RMO) and the Indian National Mathematics Olympiad (INMO) are two most important mathematics contests in India.These two contests are for the students who are […]

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November 12, 2025
AMC 12A 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 be […]

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October 28, 2025
Sundarban Faculty Training – Week 6 Report (23rd October 2025)

In Week 6 of the Sundarban Faculty Training, teachers learnt how to use ChatGPT to make lesson planning, question-making, and teaching easier. They explored how AI tools can save time, spark creativity, and support students’ learning in daily classroom activities.

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October 28, 2025
Sundarban Faculty Training – Week 5 Report (8th October 2025)

In the fifth week of the Sundarban Faculty Training, the teachers focused on improving their classroom assessment and lesson-planning skills. They learned how to properly check and evaluate students’ answer sheets, understanding how to mark fairly and give supportive feedback to children. This week also introduced them to the teaching pattern for nursery students. The […]

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October 28, 2025
Sundarban Faculty Training – Day 4 Report (25th September 2025)

On the fourth day of the Sundarban Faculty Training, all four teachers joined at Cheenta Academy’s Kalighat office. They shared tourism videos, created GK questions, learnt Google Sheets, practised Bengali যুক্তাক্ষর, and solved counting sums.

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