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A train passes by a signal – post in 30 seconds and 125 meters long bridge in 45 seconds. Find the length and speed of the train?​

By Harper

A train passes by a signal – post in 30 seconds and 125 meters long bridge in 45 seconds. Find the length and speed of the train?​

About the author
Harper

which British officer encouraged the expansion of the modern education in India?
a. William bentick.
b. Warren hastings.

Make a report on the ways to prevent spread of infectious diseases and vaccination.​

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