Quantity I : The ratio of speed of stream and speed of a boat is 1 : 3 respectively. If the boat can cover 420 km while travelling downstream in 7 hours, then how long would it take to cover 270 km while travelling upstream? Quantity II : Boat M can travel 400 km upstream and then 400 km downstream in total time of 18 hours. If the speed of the boat is 45 km/hr, then how long would it take boat M to only travel downstream 400 km?

Quantity I = Quantity II or relation can't be established

Quantity I : The ratio of speed of stream and speed of a boat is 1 : 3

1.	Quantity I : The ratio of speed of stream and speed of a boat is 1 : 3 respectively. If the boat can cover 420 km while travelling downstream in 7 hours, then how long would it take to cover 270 km while travelling upstream? Quantity II : Boat M can travel 400 km upstream and then 400 km downstream in total time of 18 hours. If the speed of the boat is 45 km/hr, then how long would it take boat M to only travel downstream 400 km?
A.	Quantity : I > Quantity : II
B.	Quantity : I ≥ Quantity : II
C.	Quantity : I < Quantity : II
D.	Quantity : II ≥ Quantity : I
E.	Quantity I = Quantity II or relation can't be established
Answer» B. Quantity : I ≥ Quantity : II

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