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Q51.During a long-distance sea voyage, without the Captain realising, steering of the ship started malfunctioning in the following manner. When the Captain was trying to turn the ship 60 degrees to the left, ship was turning 30 degrees to the right. When the Captain was trying to turn the ship 90 degrees to the left, ship was turning 90 degrees to the right. When the Captain was trying to turn the ship 45 degrees to the right, ship was turning 30 degrees to the left. When the Captain was trying to turn the ship 90 degrees to the right, ship was turning 45 degrees to the left. Before the malfunction, ship was going in North-East direction. After the malfunction started, without realising the problem, the Captain tried to turn 90 degrees to the left, then 90 degrees to the right, then 45 degrees to the right and finally 60 degrees to the left. Find the current direction of the ship.
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Q53.Two rotating discs are placed on top of each other that are pivoted at the centre. The disc in front has two cut-outs, and the disc in the back has a line pattern. Both discs can rotate in any direction. Shown below are the four positions at which different parts of the line pattern are visible. Which option represents the line pattern on the back disc?
A hollow paper cone is cut by a spiral blade. The blade, the cone, the position of the cone and blade, and the line along which it gets cut are shown below. The surface of the cone is then unwrapped on a flat surface. Which option shows the unwrapped surface?
