Given that 1 cubic cm of marble weighs 0.25 kg, the weight of marble block 28 cm in width and 5 cm thick is 112 kg. Find the length of the block.
Let the length of the block be 1cm
Then, volume = `lxx28xx5cm^3`
∴weight = `140lxx0.25 cm^3`
According to the question
Concept: Volume of a Cuboid
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