Which of the following metals is naturally found in its pure state in nature?
Platinum is found in its native or free state, primarily because of its low reactivity with other elements. Metals like gold and silver are also commonly found in their pure forms due to their chemical inertness, making them less likely to form compounds with other elements.
750 metres long train crosses a man who is moving in the same direction with a certain speed, in 50 seconds. If the same train can cross a tree in 20 se...
Train M, ‘x’ metres long crosses (x – 32) metres long platform in 20 seconds while train N having the length (x + 32) metres crosses the same plat...
Train X, traveling at a speed of 36 km/hr, crosses another train Y, which is moving in the opposite direction at a speed of 72 km/hr, in 't' seconds. If...
A train takes 25 seconds to cross a platform and 5 seconds to cross a pole. If the length of the train is 60 metres less than the length of the platform...
Two trains, each 140 meters long, are running in opposite directions. If the speed of one train is twice that of the other and they take 18 seconds to c...
A train of length 287 m, running at 80 km/h, crosses another train moving in the opposite direction at 37 km/h in 18 seconds. What is the length of the ...
Train A running at a speed of 45 km/hr crosses train B in 30 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
Train 'E' leaves at 9:00 PM on Wednesday from Kolkata station and reaches Bangalore station at 11:00 AM the next day, while train 'F' leaves at 8:30 PM ...
A train moving at a speed of ‘x’ meters per second takes 12 seconds to cross a pole and 17 seconds to pass through a tunnel that is 160 meters long....
A train approaches a tunnel a PQ. Inside the tunnel a cat located at a point i.e., 7/16 of a distance PQ measured from the entrance P. When the train wh...
