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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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May 14, 2019
Two Similar Triangles, ISI Entrance Subjective 2018
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