Length of 3 railway platform is 365 metre, 525 metre and 400 metre.what is maximum possible length of tape which can measure the length of the the three platform exactly?
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Answer is 25cm.
step by step explanation:
In such kind of problems, we calculate the highest common factor (HCF).
Factor of 525=5×5×3×7
Factor of 1050=2×5×5×3×7
Factor of 125=5×5×5
We get HCF=5×5⇒25
Hence, the required length is 25 cm.
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