Question

Find the least length of the a rope which can be cut into whole number of pieces of lengths 45cm 75cm and 81 cm

Answer 1

2025 is the answer
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Answer 2

The length of the rope = LCM of 45,75 and 81
So LCM of 45,75 and 81 = 2025

Hence,
The least length of rope can be 2025 cm or 20.25 m

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