Practice30Create account

An open cuboidal water tank (no top) has length 2 m, breadth 1.5 m and height 1 m.
It is to be coated with a waterproof material on the inside.
Find the area to be coated.

Class 8Surface Area of Cuboid and CubeMensuration
  • A10 sq m
  • B13 sq m
  • C8.5 sq m
  • D7 sq m

Step-by-Step Solution

Open tank = base + 4 walls = lb + sq m.
Answer: A) 10 sq m

Master this chapter in 30 minutes a day.

Don't just memorise the answer — build a daily practice habit.

Practice 5 Similar Questions Free →

All Surface Area of Cuboid and Cube practice questions

More Class 8 Surface Area of Cuboid and Cube practice

Two cubes, each of edge 6 cm, are joined face to face to form a cuboid. Find the total…A swimming pool is 25 m long, 12 m wide and 3 m deep. The inside of the pool (the bottom…The length, breadth and height of a cuboidal box are in the ratio 4 : 3 : 2 and its…Two cubes each of edge 5 cm are placed side by side to form a cuboid. By how much is the…A cuboidal aquarium is 80 cm long, 30 cm wide and 40 cm high. The glass is needed for…