A 450m long train crosses a pole in 18 seconds. A train one station some of the carriage are removed.near the station, it crosses a pole in 15 seconds. what is the length of the train now?
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Answer:
375 m long
Step-by-step explanation:
450:18::x:15
or 18x=450×15
or 18x=6750
x=6750/18
therefore,x=375
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