Length and breadth and height of a room is 68m, 51 m 31 m respectively.
Find the longest tape which can measure the diminesion of the too exactly
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Answer:
Length=825cm =3×5×5×11
Breadth=675cm =3×3×3×5×5
Height=450cm =2×3×3×5×5
Longest tape=HCF of 825,675 and 450=3×5×5=75cm
Therefore, the longest tape is 75cm.
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