Practice Volume and Surface Area – The cost of the paint is rs.36.50 per kg. if 1kg of paint covers 16sq.ft, how much will it cost to paint outside of a cube having 8 feet each side
Practice Volume and Surface Area – Two cones have their heights in the ratio 1:3 and the radii of their bases in the
ratio 3:1. Find the ratio of their volumes.
Practice Volume and Surface Area – How many bricks each measuring 25cm x 11.25cm x 6cm, will be needed to build a wall 8m x 6m x 22.5m
Practice Volume and Surface Area – A large cube is formed from the material obtained by melting three smaller cubes of 3,4 and 5 cm side. What is the ratio of the total surface areas of the smaller cubes and the large cube?
Practice Volume and Surface Area – What is the ratio between the volumes of a cylinder and cone of the same height and of the same diameter
Practice Volume and Surface Area – A cistern 6m long and 4 m wide contains water up to a depth of 1 m 25 cm. The total area of the wet surface is:
Practice Volume and Surface Area – What is the least number of squares tiles required to pave the floor of a room 15 m 17 cm long and 9 m 2 cm broad?
Practice Volume and Surface Area – One side of a triangle has length 8 and a second side has length 5. Which of the following could be the area of the triangle?
Practice Volume and Surface Area – Water flows into a tank 200 m x 160 m through a rectangular pipe of 1.5m x 1.25 m @ 20 kmph . In what time (in minutes) will the water rise by 2 meters?
Practice Volume and Surface Area – A towel, when bleached, was found to have lost 20% of its length and 10% of its breadth. The percentage of decrease in area is:
Practice Volume and Surface Area – The diagonal of a cube is cm. Find its surface area
Practice Volume and Surface Area – The slant height of a right circular cone is 10 m and its height is 8 m. Find the area of its curved surface
Practice Volume and Surface Area – How many cubes of 10cm edge can be put in a cubical box of 1m edge
Practice Volume and Surface Area – The dimensions of an open box are 50 cm, 40 cm and 23 cm. Its thickness is 2 cm. If 1 cubic cm of metal used in the box weighs 0.5 gms, find the weight of the box.
Practice Volume and Surface Area – Three solid cubes of sides 1 cm, 6 cm and 8 cm are melted to form a new cube. Find the surface area of the cube so formed