Question

A cement company earns a profit of 8 rupees per bag of white cement sold and a loss of
5 ruppes per bag of grey cement sold.
(a) The company sells 3,000 bags of white cement and 5,000 bags of grey cement
in a month. What is its profit or loss?
(b) What is the number of white cement bags it must sell to have neither profit nor loss, if the number of grey bag sold is 6,400 bags
Please solve this problem, I will mark you as a brain list ​

Answer 1

Answer:The number of diagonals in a polygon = n(n-3)/2, where n is the number of polygon sides. For a convex n-sided polygon, there are n vertices, and from each vertex you can draw n-3 diagonals, so the total number of diagonals that can be drawn is n(n-3).