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Quantity I: Distance = 72 × 40/60 = 48 km Speed = 48/(30/60) = 96 km/hr Quantity II: Let the speed of train is x km/hr and speed of taxi is y km/hr 400/x + 300/y = 25/6 4/x + 3/y = 1/24 ……….. (1) 360/x + 540/y = 51/10 120/x + 180/y = 17/10 …………. (2) By solving 1 and 2, We get x = 150 km/hr and y = 200 km/hr so Quantity II = 150 km/hr Hence, Quantity I < Quantity II
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The speed of a boat in still water is 32km/hr and the speed of the current is 8km/hr. It takes a total of 15hours to row to upstream from Point A to B a...
A boat goes 52 km in upstream in 4 hours and takes 3 hours to complete a distance of 15 km in downstream. Find the speed of boat in still water.
