Unsolved paper set 1

Given is a set of three figures, X, Y and Z, showing the folding sequence of a piece of paper. Fig Z shows the manner in which the folded paper has been cut. Study these figures carefully and select the option that would most closely resemble this piece of paper when unfolded.

Discussion OF Unit Test Paper - 1

Six papers are set in examination,two of them in mathematics: in how many different orders can the papers be given,provided only that the two mathematical papers are not successive?

Out of 5 grass papers 1 ream paper were used for printing.How many quire papers remained in stock?