- A6
- B5
- C12
- D7
Step-by-Step Solution
Wall area = sq m. LSA = , so m.
Answer: A) 6
A hall is 20 m long and 15 m wide. The cost of papering the four walls at Rs 12 per sq m is Rs 5040.
Find the height of the hall (in m).
Class 8Surface Area of Cuboid and CubeMensuration
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
A cube of edge 12 cm is cut into 8 equal smaller cubes. What is the edge of each smaller…A cube of edge 12 cm is cut into 8 equal smaller cubes of edge 6 cm. By what factor does…Ravi has 1 litre of paint that covers 18 sq m of surface. He wants to paint the outer…A cuboidal block has a square base of side 6 cm and a height of 10 cm. Find its total…Three identical cubes of edge 3 cm are joined in a row to form a cuboid. Find the total…