Related InterviewSolutions

• An open wooden box 80 cm long, 65 cm wide and 45 cm high, is made of 2.5 cm thick wood. Find (i) the capacity of the box, (ii) volume of wood used and (iii) weight of the box, it being givne that 100 `cm^(3)` of wood weight 8g
• How many bricks will be required to construct a wall 13.5 m long, 6 m high and 22.5 cm thick ? It is being given that each brick measured `(27 cm xx 12.5 cm xx 9 cm)` ?
• How many planks of dimensions `(5m xx 25 cm xx 10 cm)` can be stored in a pit which is 20m long, 6m wide and 80 cm deep ?
• How many bricks will be required to construct a wall 8m long, 6m high and 22.5 cm thick if each brick measures `(25 cm xx 11.25 cm xx 6 cm)` ?
• a hemispherical bowl is made of steel 0.5 cm thick. The inside radius of the bowl is 4 cm. Find the volume of steel used in making the bowl.
• Rainwater, which falls on a flat rectangular rooftop of dimensions 22m by 10m, is transferred into a cylindrical vessel of internal radius 50 cm through a circular pipe. A certain day recorded a rainfall of 2.5 cm. Find the (i) volume and (ii) height of the water, filled in the cylindrical vessel.
• There are 20 cylindrical pillars in a building, each having a diameter of 50 cm and height 4m. Find the cost of cleaning them at Rs 14 per `m^(2)`.
• Find the volume, the total surface area and the lateral surface area of a cuboid which is 15 m long, 12 m wide and 4.5 m high
• Find the volume, the lateral surface area and the total surface area of the cuboid whose dimensions are: (i) length = 12 cm, breadth = 8 cm and height = 4.5 cm (ii) length = 26 m, breadth = 14 m and height = 6.5 m (iii) length = 15m, breadth = 6 m and height = 5 dm (iv) length = 24m, breadth = 25 cm and height = 6 m
• The length, breadth and height of a cuboid are 15 cm, 12 cm and 4.5 cm respectively. Its volume isA. `243 cm^(3)`B. `405 cm^(3)`C. `810 cm^(3)`D. `603 cm^(3)`