A square floor is tiled with congruent square tiles. The tiles on the two diagonals of the floor are black.The rest of the tiles are white.If there are 201 balck tiles then the total number of white tiles is...

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The figures below show four squares of equal size. The shaded part of each is removed.Of the resulting figures, whose perimeter is equal to the perimeter of the uncut square?

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Ann has the square sheet of paper shown in the left-hand diagram. By cuttingalong lines of the square, she produces copies of the shape shown in the right-handdiagram. The smallest possible number of cells she can leave unused is 
 

MNPQ is a square that is made up of two identical rectangles and two squares of area 9 square centimeter and 16 square centimeter . The area of the square MNPQ is  

The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is ..........

The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is

The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is ?

The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is ...............

The floor of a rectangular room is covered with square tiles. The room is 24 tiles long and 16 tiles wide. The number of tiles in the outer border of the floor is