Question
A train 275 metre long takes 33 sec to cross a man
running at a speed of 5 km/hr in the direction same to that of train. What is the speed of the train?Solution
Let the speed of the train be x Relative speed = (x - 5) km/hr ⇒ (x - 5) = (275 × 18)/(33 × 5) ⇒ (x - 5) = (4950)/(165) ⇒ x – 5 = 30 ⇒ x = 30 + 5 = 35 km/hr
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……………………..organisms that are capable of growth and reproduction in low temperatures, ranging from −20 °C to +10 °C. They are found ...
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. The foregut and hindgut are _____ in origin whereas the midgut is _____ in origin.
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A long day biennial crop____________ requires two season to produce sew.
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