Practice30Create account

The length, breadth and height of a cuboidal box are in the ratio 4 : 3 : 2 and its total surface area is 1300 sq cm.
Find the length of the box (in cm).

Class 8Surface Area of Cuboid and CubeMensuration
  • A22
  • B20
  • C18
  • D40

Step-by-Step Solution

Let . TSA = , so . Length = cm.
Answer: B) 20

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 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…A hall is 20 m long and 15 m wide. The cost of papering the four walls at Rs 12 per sq m…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…