In the staircase shown here the height of the first step is 10 centimetres and the height of each step after it is 17.5 centimetres. Write these numbers as a sequence.

In the staircase shown here the height of the first step is 10 centimetres and the height of each step after it is 17.5 centimetres. How high from the ground would be some one climbing up, after each step?

The length of base edge of a square pyramid is 12 centimetres and slant height is 10 centimetres.Calculate the volume of the pyramid?

What is the volume of a square pyramid of base edge 10 centimetres and slant height 15 centimetres?

The length of base edge of a square pyramid is 12 centimetres and slant height is 10 centimetres. What is the height of the pyramid?

What is the area of the curved surface of a cylinder of base radius 4 centimetres and. height 10 centimetres?

The heights of three boys sitting on a bench are 130.5 centimetres 128.7 centimetres and' 134.6 centimetres. What is the average height?

The base of a prism is an equilateral triangle of perimeter 15 centimetres and its height is 5 centimetres. Calculate its volume.

What is the central angle of the sector to be used to make a cone of base. radius 10 centimetres and slant height 25 centimétres?

A tank contains 1000 litres of water and it flows out at the rate of 5 litres per second. How much water is there in the tank after each second? Write their numbers as a sequence.

The base of a prism is an equilateral triangle of perimeter 12 centimetres and its height is 5 centimetres. What is its total surface area?