A boat goes 30km upstream and 44km downstream in 10 hr.In 13hr it can go44km upstream and 55km downstream . Determine the speed of the stream and that of the boat in still water.
Education is the chief defence of nation these lines of Brooks are absolutely true the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is its literacy and economics without this to a country cannot be the strongest power of the nation is
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