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A trains travels 360km at a …

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A trains travels 360km at a uniform speed. If. the had been 5km/h more,, it would. have taken 1hour kess. for the same journey. Find the speed if the train

Posted by Aditya Kumar 6 years, 11 months ago

CBSE > Class 10 > Mathematics

1 answers

Nishant Mahipal 6 years, 11 months ago

Let the speed of train=xkm/h since, 360/x - 360/x+5=1 =360x + 1800 - 360x = x² + 5x = x² + 5x - 1800 = 0 =x² - 45x + 40x - 1800 = 0 =x(x - 45)+40(x - 45) = 0 =(x + 40) (x - 45) = 0 Since, x = 45km/h

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