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3 November, 03:14

Sara makes a cuboid having sides 15cm and 30cm. how many such cuboids will be needed to form a cube

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  1. 3 November, 03:35
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    cuboid=3*3*5 [i. e l*b*h]

    LCM of 3,5=15

    i. e 15cm is the dimension of the final cube.

    therefore cuboid required across length=15/3=5

    similarly, across breadth=15/3=5

    similarly, across height=15/5=3

    Therefore total no of cuboid=5*5*3=75
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