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Ganesh and Dinga want to pack 4000-centimeter cubes inboxes. These are to be sent to a school. There are three different boxes available for packing. How can Ganesh and Dinga test their guesses - Mathematics

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Question

Ganesh and Dinga want to pack 4000-centimeter cubes inboxes. These are to be sent to a school. There are three different boxes available for packing.

  • How can Ganesh and Dinga test their guesses before packing the cubes in the boxes? Discuss with your friend.
Answer in Brief

Solution

  • In the first layer of box B, we can keep 11 × 11 = 121 cubes.
    There are 10 such layers.
    So, in box B, we can arrange 10 × 121 = 1210 cubes
  • In the first layer of box C, we can keep 15 × 9 = 135 cubes.
    There are 10 such layers.
    So, in box C, we can arrange 10 × 135 = 1350 cubes.
  • In all three boxes, we can arrange 1200 + 1210 + 1350 = 3760 cubes
    So, 3760-centimetre cubes in total can be packed in three boxes.
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Chapter 14: How Big? How Heavy? - How Big? How Heavy? [Page 198]

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NCERT Math - Magic [English] Class 5
Chapter 14 How Big? How Heavy?
How Big? How Heavy? | Q 8.2 | Page 198
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