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Speed of downstream = D/T = 45 × (60/50) = 54 km/hr The ratio of the speed of the boat in still water to the speed of the stream = 5: 4 (5x, 4x) => 9x = 54 => x = 6 Speed of upstream = 5x – 4x = x = 6 km/hr Distance = 22 km Time = D/S = 22/6 = 3(2/3) hr = 3 hour 40 min
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Which of the following is not a synonym of “Discrimination”?
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Which of the following are the conditions that are mentioned in the passage that would force a large number of people to migrate by 2050?
(i) ris...
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