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The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively.Find the longest tape which can measure the three dimensions of th

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The length, breadth and height of a room are 825 cm, 675 cm and 450 cm respectively.Find the longest tape which can measure the three dimensions of the room exactly.
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LCM(825)=3*5*5*11
LCM(675)=3*5*5*3*3
LCM(450)=3*3*2*5*5
HCF(825,675,450)=3*5*5=75cm.
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