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Question
Three measuring rods are 45 cm, 50 cm, and 75 cm in length. What is the least length (in metres) of a rope that can be measured by the full length of each of these three rods?
Solution
Given Lengths = 45 cm, 50 cm, 75 cm
Least = LCM
Find the LCM = 2 × 3 × 3 × 5 × 5
= 450 cm
Answer in Metres = `450/10`
= 4.5 m
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