A rectangular box measures internally 1.6 m long, 1 m broad and 60 cm deep. The number of cubical block each of edge 20 cm that can be packed inside the box is:

If the diagonals of a rhombus are 24cm and 10cm, then the perimeter of the rhombus is ___________.

The diameters of two cones are equal. If their slant heights are in the ratio 5: 2, then the ratio of curved surface areas of the cones is _________ .

A hemispherical bowl of internal diameter 54 cm contains a liquid. The liquid is to be filled in cylindrical bottles of radius 3 cm and height 9 cm, then find the number of bottles that can be filled?

The length, breadth and height of a hall are 144 m, 180 m and 384 m respectively. The length of the longest scale that can measure the three dimensions of the hall exactly is:

A copper wire is bent in the form of an equilateral triangle and has area 121√3 cm² . If the same wire is bent into the form of a circle, the area (in cm²) enclosed by the wire is (Take pi= 22 /7)

The side of a square is 8 cm. If a square is made by joining the mid points of each sides of this square and this process goes up to infinity. Calculate the sum of areas of all the squares made.

The lateral surface area of a cylinder is 792cm². If its height is 14cm, then its volume (in cm³) is? [Take π = 22/7 ]