Book
Maths Puzzle
How many triangles can be formed by joining the vertices of an octagon?
Read Solution (Total 0)
Book Other Question
If there are 9 horizontal lines and 9 vertical lines in a chess board, how many rectangles can be formed in the chess board?
In how many ways can a team of 5 persons can be formed out of a total of 10 persons such that two particular persons should not be included in any team?