Counting in Geometry and Grids
11 lessons · 12 questions · 5 PYQs
What the exams ask here
- triangles from points on two parallel lines
- rectangles from m x n grid
- ways to climb stairs 1 or 2 steps
- non-attacking rooks
Lessons
- Start hereThe idea and the methodFirst lesson of Counting in Geometry and Grids
- 1.Triangles from collinear points2 questions + fresh variantsIndore 2022 SA
- 2.Lines from points1 question + fresh variantsIndore 2021
- 3.Rectangles from parallel lines1 question + fresh variantsIndore 2021 SA
- 4.Lattice pathsNew numbers every time (templates)
- 5.Staircase steps1 question + fresh variantsIndore 2023
- 6.Chessboard rooks2 questions + fresh variantsIndore 2023
- 7.Diagonals of polygonNew numbers every time (templates)
- 8.Squares in grid2 questions
- 9.Intersection points2 questions + fresh variants
- 10.Polygon triangles1 question + fresh variants