App Logo

No.1 PSC Learning App

1M+ Downloads
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

Answer:

A. 1600


Related Questions:

If the perimeter of a rhombus is 40 cm and one of its diagonal is 16 cm, then what is the area (in cm2) of the rhombus?
A marble stone rectangular in shape weight 125 kg. If it is 50 cm long and 5 cm thick, what will be the breadth of it provided 1 cm cube of marble, weighs 25

The radius of a circular wheel is 134m1\frac{3}{4}m. How many revolutions will it make in travelling 11 km. (π=227)\frac{22}{7})

A hollow cylindrical tube 20 cm long, is made of iron and its external and internal diameters are 8 cm and 6 cm respectively. The volume of iron used in making the tube is (π=227)(\pi=\frac{22}{7})
The breadth of a rectangle is 4/5 of the radius of a circle. The radius of the circle is 1/5 of the side of a square, whose area is 625 cm2. What is the area of the rectangle if the length of rectangle is 20 cm?