Question

Mary wants to decorate her Christmas tree. She wants to place the tree 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?
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Answer 1

Answer:

1,600 square sheets will be needed