Question
The length of a cuboid increases by 5%, its breadth
decreases by 10% and its height increases by 25%. Find the percentage change in the volume.Solution
ATQ, Let initial dimensions be l, b, h. Initial volume = lbh cubic units New volume = 1.05l × 0.9b × 1.25h = 1.18125lbh Required percentage change = {(1.18125lbh – lbh)/lbh} × 100 = 18.12%
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