A ship A is moving Westwards with a speed of 10 km h and a ship...
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A ship A is moving Westwards with a speed of 10 km h and a ship B 100 km South of A, is moving Northwards with a speed of 10 km h'. The time after which the distance between them becomes shortest, is : (a) 5 h (c) 102h (b) 52h (d) 0 h A ship A is moving Westwards with a speed of 10 km h and a ship B 100 km South of A, is moving Northwards with a speed of 10 km h'. The time after which the distance between them becomes shortest, is : (a) 5 h (c) 102h (b) 52h (d) 0 h
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