Cheenta Blog Since 2010

Mathematics is Beautiful
University Application
Guides
Books
ISI Entrance
Math Olympiad
বাংলা
May 23, 2019
Calculus Problem - I.S.I 2019 Subjective Problem -4
Read More
May 22, 2019
Sum Of 1'S C.M.I UG-2019 Entrance

Sum of 1's: Algebra Problem Find the sum: 1+111+11111+1111111+…..1….111(2k+1) ones  Useful points: Try with Hints ... Other Useful Links GCD and Bezout Theorem Gauss Trick of Algebra Related Program Subscribe to Cheenta at YouTube

Read More
May 22, 2019
Geometry problem - CMI Entrance 2019

Understand the problem Let O be a point inside a parallelogram ABCD such that \(\angle AOB+\angle COD =180\) prove that \(\angle OBC =\angle ODC\) Useful Points Suggested book Challenges and Thrills in Pre-College Mathematics Try with Hints... Other Useful Links GCD and Bezout Theorem Gauss Trick of Algebra Related Program Subscribe to Cheenta at YouTube

Read More
May 22, 2019
Triangle in complex plane - ISI 2019 Obj P8

This problem from ISI Entrance 2019 is an interesting application of complex numbers in geometry. Try your hands on this!

Read More
May 22, 2019
Four Points on a Circle, ISI Entrance 2017, Subjective Problem no 2
Read More
May 19, 2019
Product of Digits, ISI Entrance 2017
Read More
May 17, 2019
Three Primes, ISI Subjective Entrance 2017
Read More
May 15, 2019
System of n equations of Real Analysis , I.S.I Entrance 2008, Solution to Subjective Problem No. 9.
Read More
May 15, 2019
CMI Entrance 2019 - Answer Key, Sequential Hints

CMI (Chennai Mathematical Institute) Entrance 2019, Sequential hints, answer key, solutions.

Read More
May 14, 2019
Trigonometric Substitution, ISI Entrance 2019 - Problem 6
Read More
June 28, 2020
Integers | AIME I, 1993 Problem | Question 4

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1993 based on Integers. Use sequential hints if required.

Read More
June 27, 2020
Distance travelled | PRMO II 2019 | Question 26

Try this beautiful problem from the PRMO II, 2019, Question 26, based on Distance travelled. You may use sequential hints to solve the problem.

Read More
June 27, 2020
Sum of Digits base 10 | PRMO II 2019 | Question 7

Try this beautiful problem from the PRMO II, 2019 based on the Sum of Digits base 10. You may use sequential hints to solve the problem.

Read More
June 26, 2020
Trapezoid Problem | AIME I, 1992 | Question 9

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1992 based on Digits and Rationals.

Read More
June 26, 2020
Chords in a Circle | PRMO-2017 | Question 26

Try this beautiful Problem based on Chords in a Circle, Geometry from PRMO 2017, Question 26. You may use sequential hints to solve the problem.

Read More
June 26, 2020
Circle | Geometry Problem | PRMO-2017 | Question 27

Try this beautiful Problem from Geometry based on Circle from PRMO 2017, Question 27. You may use sequential hints to solve the problem.

Read More
June 25, 2020
Side of Square | AMC 10A, 2013 | Problem 3

Try this beautiful problem from Geometry: Side of Square from AMC-10A (2013) Problem 3. You may use sequential hints to solve the problem.

Read More
June 25, 2020
Counting Days | AMC 10A, 2013 | Problem 17

Try this beautiful problem from Algebra based on Counting Days from AMC-10A (2013), Problem 17. You may use sequential hints to solve the problem.

Read More
June 24, 2020
Order Pair | AMC-10B, 2012 | Problem 10

Try this beautiful problem from Algebra, based on Order Pair problem from AMC-10B, 2012. You may use sequential hints to solve the problem

Read More
June 24, 2020
Chosing Program | AMC 10A, 2013 | Problem 7

Try this beautiful problem from Combinatorics based on Chosing Program from AMC-10A (2013), Problem 7. You may use sequential hints to solve the problem.

Read More
© 2010 - 2025, Cheenta Academy. All rights reserved.
linkedin facebook pinterest youtube rss twitter instagram facebook-blank rss-blank linkedin-blank pinterest youtube twitter instagram