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May 23, 2019
Calculus Problem - I.S.I 2019 Subjective Problem -4
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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

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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

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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!

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

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

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May 14, 2019
Trigonometric Substitution, ISI Entrance 2019 - Problem 6
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August 9, 2020
Circular arc | AMC 10A ,2012 | Problem No 18

Try this beautiful Problem on Geometry: Circular arc from AMC 10A, 2012. Problem-18. You may use sequential hints to solve the problem.

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August 7, 2020
Area of rectangle | AMC 10A ,2012 | Problem No 21

Try this beautiful Problem on geometry from AMC 10A, 2012. You may use sequential hints to solve the problem.

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August 5, 2020
Area of the Trapezium | PRMO-2017 | Question 30

Try this beautiful Problem from Geometry based on the area of the trapezium from PRMO 2017, Question 30. You may use sequential hints to solve the problem.

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August 4, 2020
Problem on Circle and Triangle | AMC 10A, 2016 | Problem 21

Try this beautiful problem from Geometry: Problem on Circle and Triangle from AMC-10A (2016) Problem 21. You may use sequential hints to solve the problem.

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August 2, 2020
Least Possible Value Problem | AMC-10A, 2019 | Quesstion19

Try this beautiful problem from Algebra based on least possible number.AMC-10A, 2019. You may use sequential hints to solve the problem

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August 1, 2020
Nearest value | PRMO 2018 | Question 14

Try this beautiful problem from the Pre-RMO, 2018 based on the Nearest value. You may use sequential hints to solve the problem.

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July 19, 2020
Sequence and permutations | AIME II, 2015 | Question 10

Try this beautiful problem from the American Invitational Mathematics Examination II, AIME II, 2015 based on Sequence and permutations.

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July 17, 2020
Numbers of positive integers | AIME I, 2012 | Question 1

Try this beautiful problem number 1 from the American Invitational Mathematics Examination, AIME, 2012 based on Numbers of positive integers.

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July 16, 2020
Number of points and planes | AIME I, 1999 | Question 10

Try this beautiful problem from the American Invitational Mathematics Examination I, AIME I, 1999 based on the number of points and planes.

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July 15, 2020
Arithmetic Sequence Problem | AIME I, 2012 | Question 2

Try this beautiful problem number 2 from the American Invitational Mathematics Examination I, AIME I, 2012 based on Arithmetic Sequence Problem.

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