The number of marble slabs of size 25 cm x 25 cm required to pave the floor of a square room of side 10 metres is :
A1600
B1000
C2000
D2500
A1600
B1000
C2000
D2500
Related Questions:
The length of a rectangle is of the radius of a circle. The radius of the circle is equal to the side of a square whose area is 4900 m2. What is the area (in m2) of the rectangle, if its breadth is 20 m?