AMC 10A 2014, Problem 24 needed a clever trick of number theory. See the solution with sequential hints. A sequence of natural numbers is constructed by listing the first
AMC 10A 2014, Problem 24 needed a clever trick of number theory. See the solution with sequential hints. A sequence of natural numbers is constructed by listing the first
This problem is a very basic, tricky and intuitive application resulting in the solutions of a diophantine equation and unique representation of a number. Try with our sequential hints.
This problem is an intermediate application of the polynomials and invoking a cute number theoritic argument to make it a good problem to try with our sequential hints.
American Math Contest (AMC 10A) 2007, Problem 20 solution. Well, this is a very basic but interesting algebra problem where we can play with squares.
This problem is an intermediate application of basic number theoritical principles. from Italy MO Solve this problem with the help of Sequential Hints.
AMC 10A 2015, Problem 22 needed a clever trick of probability and combinations and playing with numbers. See the solution with sequential hints.
AMC 10A 2016 Problem 22 solution. See the solution with sequential hints. For some positive integer, the number has positive integer divisors
This problem is a very simple application of the principle of parity and divisibilty in elementary number theory. Try out with our sequential hints.
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.
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