Rekha makes a cuboid of
sides 15cm,6cm,3cm. How many such
cuboids will be needed to form a cube?
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Step-by-step explanation:
L.C.M. of 5 and 2 gives the dimension of the cube to be formed.
L.C.M. of 5 and 2 is 10.
Volume of cuboid =5×5×2=50cm3
Volume of bigger cube = 103 =1000cm3
Number of cuboids required to make the bigger cube =
(Volume of a cuboid)(Volume of cube) = 501000 =20
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