The length of a rectangle is reduced by 20% and breadth is kept constant, and the new figure that is formed is a square. Consider the following statements: The area of square is 25% less than the area of rectangle. The perimeter of square is approximately 11% less than the perimeter of rectangle. The diagonal of square is approximately 12% less than the diagonal of rectangle. Which of the statements given above is/are correct? (a) 1 only       (b) 1 and 2       (c) 2 and 3      (d) 1, 2 and 3