Razaaq has created a 3x3 magic square, in which the sum of the cells along any row, column or diagonal, is the same number (N). The entries in the cells are given as expressions in x, y and z. Find N. 
Find the alternative which will replace the question mark in the figure below:
Find the correct alternative which will replace the question mark in the star diagram. 
Select the correct mirror image of the given figure when the mirror is placed to the right of the figure. 6 4 E K P C 9 2
Find the number of triangles in the given figure. 