Three measuring rods are 45 cm 50 cm and 75 cm in length what is the least length in meyres of a rope that can be measured by the full length of each of these 3 rods
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This question tests the concept of LCM
We need to get the LCM of 45, 50 and 75
45 = 3 × 3 × 5
50 = 2 × 5 × 5
75 = 3 × 5 × 5
The common multiple is :
3 × 3 × 2 × 5 × 5 = 450 cm
Convert to meters :
450/100 = 4.5 Meters
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