The second factor has k digits, is an integer whose digits have a sum of 1000.
The second factor has k digits, is an integer whose digits have a sum of 1000.
AMC 10A 2017, Problem 25 needed a clever trick of combinations and playing with numbers. See the solution with sequential hints.
Regional Math Olympiad (RMO) 2019, Problem 3 needed a clever trick from algebraic manipulation and playing with numbers. See solution with sequential hints.
Regional Math Olympiad (RMO) 2019, Problem 6 needed a clever trick from Ithe tools of Graph Theory. Sequential hints to the solution are given.
Regional Math Olympiad (RMO) 2019, Problem 3 needed a clever trick from Inequality. It used AM - GM twice with a transformation. We give sequential hints leading upto solution.
This beautiful application from Regional Math Olympiad 2019, Problem 1 is based on the concepts of Algebra. Sequential hints are given to work the problem accordingly.
This beautiful application from Regional Math Olympiad 2019, Problem 5 is based on the concepts of Euclidean Geometry. Sequential hints are given to work the problem accordingly.
This beautiful application from Regional Math Olympiad 2019, Problem 2 is based on the concepts of Euclidean Geometry. Sequential hints are given to work the problem accordingly.
Regional Math Olympiad (RMO) 2019 solutions, sequential hints and discussions. Try some beautiful problems on Number Theory, Geometry and Algebra.
Every week we dedicate an hour to Beautiful Mathematics - the Mathematics that shows us how Beautiful is our Intellect. Today we are going to discuss the Fermat's Little Theorem. This week, I decided to do three beautiful proofs in this one-hour session... Proof of Fermat's Little Theorem ( via Combinatorics ) It uses elementary […]
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.
Try this beautiful problem from Algebra, based on Order Pair problem from AMC-10B, 2012. You may use sequential hints to solve the problem
This is a sample problem from ISI MStat PSB 2013 Problem 5 based on the simple random sampling model, finding the unbiased estimates of the population size.
Try this beautiful problem from the Pre-RMO, 2017, Question 23, based on Solving Equation. You may use sequential hints to solve the problem.
Try this beautiful problem from the Pre-RMO, 2017, Question 23, based on Solving Equation. You may use sequential hints to solve the problem.
Try this beautiful problem from the Pre-RMO, 2017, Question 23, based on Solving Equation. You may use sequential hints to solve the problem.
This is a sample problem from ISI MStat PSB 2013 Problem 4. It is based on the simple linear regression model, finding the estimates, and MSEs.
This is ISI MStat PSB 2011 Problem 1, based on patterns in matrices and determinants, and using a special kind of determinant decomposition. Try this out!
Try this beautiful problem from Geometry: The area of triangle AMC-10, 2009. You may use sequential hints to solve the problem
Try this beautiful problem from Geometry: Side Length of Rectangle from AMC-10, 2009. You may use sequential hints to solve the problem