Mary wants to decorate her Christmas tree. She wants to place the tree on a wooden box covered with coloured paper with picture of Santa Claus on it (see Fig. 13.4). She must know the exact quantity of paper to buy for this purpose. If the box has length, breadth and height as 80 cm, 40 cm and 20 cm respectively how many square sheets of paper of side 40 cm would she require?

Mary wants to decorate her Christmas tree. She wants to place the tree on a wooden box covered with coloured paper with picture of Santa Claus on it (see the given figure). She must know the exact quantity of paper to buy for this purpose. If the box has length, breadth and height as 80 cm, 40 cm and 20 cm respectively, how many square sheets of paper of side 40 cm would she require ?

Mary wants to decorate her Christmas tree. She wants to place the free on a wooden block covered with coloured paper with picture of Santa Claus on it. She must know the exact quantity of paper to buy for this purpose. If the box has length, breadth and height as 80 cm, 40 cm, and 20 cm respectively. How many square sheets of paper of side 40 cm would she require?

Mary wants to decorate her Christmas tree. She wants to place the free on a wooden block covered with coloured paper with picture of Santa Claus on it. She must know the exact quantity of paper to buy for this purpose. If the box has length, breadth and height as 80 cm, 40 cm, and 20 cm respectively. How many square sheets of paper of side 40 cm would she require?

Find the volume of a box if its length, breadth and height are 20 cm, 10 cm and 30 cm respectively.

Find the volume of a box if its length, breadth and height are 20 cm,10.5 cm and 8 cm respectively.

Find the surface ara of a chalk box, whose length, breadth and height are 18 cm, 10 cm, and 8 cm respectively.

A cuboidal box open at the top has length, breadth and height 20 cm, 16cm and 10 cm respectively . Find its volume.

A cuboidal box open at the top has length, breadth and height 20 cm, 16cm and 10 cm respectively . Find its volume.