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Volume of wooden plank = volume of cube
140×60×40 = 336 a3
a3 = 140×60×40/336
= 10×20×5
= 1000 cm
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Answer:
Length=140cm
Breadth=60cm
thick=40cm
therefore volume=140multiply60multiply40=336
therefore no. of cubes =volume of wooden planks/smaller cubes=33600/336=100.
therefore no. of boxes is 100.
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