This is a Test of Mathematics Solution Subjective 67 (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 Describe the set of all […]
This is a Test of Mathematics Solution Subjective 66 (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 If c is a real […]
This is a Test of Mathematics Solution Subjective 65 (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 Show that for all real x, the expression $ {ax^2} $ + bx + […]
This is a Test of Mathematics Solution Subjective 64 (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 If f(x) is a real-valued function […]
This is a Test of Mathematics Solution Subjective 63 (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 If any one pair among […]
This is a Test of Mathematics Solution Subjective 62 (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 Consider the system of equations […]
This is a Test of Mathematics Solution Subjective 61 (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 Solve $ {{6x}^{2}} $ - […]
This is a Test of Mathematics Solution Subjective 60 (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 Consider the set S of […]
This is a Test of Mathematics Solution Subjective 59 (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 Consider the set of point […]
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 $ […]
Try out the problems from Singapore Math Olympiad 2022 (Junior Years).
78 students qualified in Indian National Math Olympiad, the toughest math contest in India. 7 of them are from Cheenta. Learn from their success story.
What is SMO? The Singapore Mathematical Olympiad (SMO) has been organized by The Singapore Mathematical Society (SMS) annually since the 1950’s. The main purpose of these competitions is to check the problem-solving ability in mathematics of students from junior and senior sections. Who can appear for SMO 2024? Senior Level : The Competition is open […]
Books play a significant role in the preparation for the Singapore Mathematics Olympiad. In Cheenta we recommend a few books based on their age and grades that suit them. Books for Junior SMO Books for Senior SMO
Understand the difference between real and fake math olympiads. Know more about books and learning strategies for IOQM, IMO, AMC 10, 12.
PART - I Problem 1 If \(2^{x-1}+2^{x-2}+2^{x-3}=\frac{1}{16}\), find \(2^x\) (a) \(\frac{1}{14}\)(b) \(\frac{2}{3}\)(c) \(\sqrt[14]{2}\)(d) \(\sqrt[3]{4}\) Answer: A Problem 2 If the number of sides of a regular polygon is decreased from 10 to 8, by how much does the measure of each of its interior angles decrease? (a) \(30^{\circ}\)(b) \(18^{\circ}\)(c) \(15^{\circ}\)(d) \(9^{\circ}\) Answer: D Problem 3 […]
PART I Problem 1 Find x if \(\frac{79}{125}\left(\frac{79+x}{125+x}\right)=1.\) (a) 0(b) -46(c) -200(d) -204 Answer : D Problem 2 The line \(2 x+a y=5\) passes through (-2,-1) and (1, b). What is the value of b ? (a) \(-\frac{1}{2}\)(b) \(-\frac{1}{3}\)(c) \(-\frac{1}{4}\)(d) \(-\frac{1}{6}\) Answer : B Problem 3 Let ABCD be a parallelogram. Two squares are constructed […]
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.
NMTC RAMANUJAN (grade 11 and 12) Stage I - Problems and Solutions.
NMTC BHASKARA(grade 9 and 10) Stage I- Problems and Solutions.
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 […]
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.
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 […]
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.
On 18th September 2025, the third class of the Sundarban Faculty Training was held at Cheenta Academy’s Kolkata office. Only Rupa and Chandra attended, with Chandra showing consistent participation. The session introduced Canva for creating business posters, developed a roadmap for Sundarban Tourism, and planned local surveys along with learning the basic geography of the region.
On 11th September 2025, the second class of the Sundarban Faculty Training was held at Cheenta Academy’s Kolkata office. Two new teachers, Rupa and Brihospoti, joined the programme, while Sudipti and Suveccha were absent. The session introduced Google Docs for lesson planning and included discussions on leadership and business development, with ideas for small enterprises in the Sundarban region.
On 28th August 2025, four teachers from the Sundarban region began their training at Cheenta Academy’s Kolkata office. The first day focused on self-introductions, classroom practices, integrated learning, and computer basics, marking an important step towards teacher empowerment.
Cheenta Academy proudly celebrates the success of 27 current and former students who qualified for the Indian Olympiad Qualifier in Mathematics (IOQM) 2025, advancing to the next stage — RMO. This accomplishment highlights their perseverance and Cheenta’s ongoing mission to nurture mathematical excellence and research-oriented learning.
August marks the pivotal month when the Cat-Scan app takes its final shape. The focus shifts from coding individual features to integrating the app, preparing for user testing, and fine-tuning the database and user interface. By the end of this month, the core functionalities—image capture, pupil detection, and AI predictions—are up and running, ready for […]
Students begin coding the Cat-Scan app, integrating Python’s OpenCV for pupil detection and TensorFlow for AI predictions. The app’s simple UI guides users through cataract screening with real-time results and visit tracking.