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From 1, we know that, people sitting adjacent to each other face in opposite directions. Thus, if neighbours of A face outside, A faces inside. Also, A sits second to the left of G thus G also faces inside and by placing B such that G sits fourth to the right of B, we get the following arrangement. From II, we know that A, B, G and E face towards the center and C, D, F, H face away from the center, but do not know their placements and position.
The angle of elevation of a tower from a certain point of bus stand is 30°. When a man walks 5m ahead in the direction of the tower, the angle of el...
A boat can travel 24 km upstream and 30 km downstream in 4 hours. Find the speed of the boat in still water if the speed of the stream is 3 km/h.