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  • The internal dimensions of box are 1.2m ,80cm and 50 centimetre.how many cubes each of edge 7cm can be packed in the box with faces parallel to the sides of the box. Also,find the space left empty in the box

The internal dimensions of box are 1.2m ,80cm and 50 centimetre.how many cubes each of edge 7cm can be packed in the box with faces parallel to the sides of the box. Also,find the space left empty in the box

Answers (1)

Find the multiples of 7 closer to 120, 80, 50 which are 119, 77, 49.
Calculate their product which is 1309(7³) cm³.
Hence, 1309 cubes of edge 7cm can be put in the box.
Left-over volume is (120-119)×(80-77)×(50-49) = 3 cm³.

 

Posted by

Satyajeet Kumar

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