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August 17, 2019
Solving a congruence
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August 17, 2019
Inequality involving sides of a triangle
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August 13, 2019
Vectors of prime length
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August 12, 2019
Missing digits of 34!
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August 12, 2019
An inequality involving unknown polynomials
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August 12, 2019
Hidden triangular inequality (PRMO Problem 23, 2019)

Problem Let ABCD be a convex cyclic quadrilateral . Suppose P is a point in the plane of the quadrilateral such that the sum of its distances from the vertices of ABCD is the least .If {PA,PB,PC,PD} = {3,4,6,8}.What is the maximum possible area of ABCD? Topic Geometry Contest Pre Regional Math Olympiad2019 ReadingMathematical circle […]

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August 11, 2019
PRMO - 2019 - Questions, Discussions, Hints, Solutions

This is a work in progress. Please post your answers in the comment. We will update them here. Point out any error that you see here. Thank you. 1. 4 2. 13 3. 13 4. 72 5. 10 6. 29 7. 51 8. 49 9. 14 10. 55 11. 6 12. 18 13. 10 14. […]

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August 11, 2019
Bangladesh MO 2019 Problem 1 - Number Theory

A basic and beautiful application of Numebr Theory and Modular Arithmetic to the Bangladesh MO 2019 Problem 1.

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August 9, 2019
Functional equation dependent on a constant
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August 8, 2019
Pigeonhole principle exercise
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