Question

a rectangular block 6cm into 12 cm into 15 cm is cut into an exact number of equal cubes. minimum no of cubes is ?

Answer 1

minimum no of cubes are 2

Answer 2

Hi mate

Question

A rectangular block 6cm into 12 cm into 15 cm is cut into an exact number of equal cubes. minimum no of cubes is?

Solution:

Volume of the block = (6 x 12 x 15) cu.cm = 1080 cu.cm

Side of the largest cube = H.C.F. of 6 cm, 12 cm, 15 cm

= 3 cm.

Volume of this cube= (3 x 3 x 3) cu.cm = 27 cu.cm

Number of cubes =108027 = 40.

Therefore 40 is your answer

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