VIII-C3 Volume and Surface Area of Rectangular Prism

Jigme wants to send pocket story books as a gift to his friends. He wants to pack the books in a box of length 40cm, breadth 20 cm and height 20cm. Each diary has a length of 8cm, breadth 5cm and height 4cm. How many diary books can he send?

• 100 books

• 160 books

• 200 books

• 400 books

A chef is preparing a fruit dessert out of 2cm cubed watermelon. If a watermelon has a volume of 120 cm³, how many cubes can be made from it?

• 8

• 15

• 60

• 240

Two bricks can be placed together face-to-face to form three different rectangular

prisms. Two of them are shown here.

What would be the measurements of the third prism?

• 11cm by 16 cm by 10cm

• 22cm by 20cm by 8cm

• 32cm by 22cm by 10cm

• 44cm by 16cm by 5cm

Each brick measures 25cm × 12.5cm × 7.5 cm, How many bricks will be needed to construct a wall 15m long, 1.8m high, and 37.5cm thick?

• 4404

• 4320

• 6020

• 6460

Dorji adds some sugar cubes that has a volume of 20 cm³ and pour 200 mL of hot water in a mug to the brim. What will be the capacity of mug?

• 180 mL

• 220 mL

• 400 mL

• 4000 mL

A rectangular wooden box with dimension is shown below. 

If the wooden block was a container, what mass of water would it hold?

• 107.52 kg

• 10.752 kg

• 1075.2 kg

• 10752 kg

The total surface area of this shipping container is 192 m². What is the height of the container?

• 5.3 m

• 3.8 m

• 2 m

• 4 m

Rinzin wants to fill the aquarium given below with water. Find the amount of the water that is required to fill the aquarium.

• 240 mL

• 24000 mL

• 2400 mL

• 24 mL

What is the edge length of a cube with volume of 125 m³?

• 3 m

• 4 m

• 5 m

• 6 m

Find the total surface area of this cube.

• 729 cm²

• 729 cm³

• 486 cm²

• 486 cm³