24) Which of the following expressions accesses the (i,j)th entry of an (m x n) matrix stored in column major form?

25) Sparse matrices does not have

26) The minimum number of edges in a connected cyclic graph on 11 vertices is

27) Which of the following is a collection of items into which items can be inserted arbitrarily and from which only the smallest item can be removed

28) A________search begins the search with the element that is located in the middle of the array.