Raju has toffees of 5 colors kept in a bag: red, yellow, blue, pink and green.
He randomly picks a toffee what would be the probability that it would be of blue color?
mathematics is the indispensible instrument of all physical research
berthelot
There is something I don't understand about algebra: It has been around for thousands of years, yet no one has ever found out what the value of "x" or "y" really is.