Ascertain means to find out for certain; make sure of. The opposite is "Doubt," which refers to feeling uncertain about something or not being convinced.
A man running at the speed of 5 kmph was over taken by the train moving with the speed of 41 kmph in 20 seconds. Find the length of train.
Train M, ‘x’ metres long crosses (x – 35) metres long platform in 28 seconds while train N having the length (x + 35) metres crosses the same plat...
Two trains C and D started from point A and B respectively. Speed of train D is 21 km/hr more than that of train C. Total distance between point A and B...
Two trains, each 150 meters long, are running in opposite directions. If the speed of one train is twice that of the other and they take 20 seconds to c...
Train A leaves a station at a certain time and at a fixed speed. After 4 hours, Train B leaves the same station and moves in the same direction at a uni...
A train takes 22 seconds to cross a platform and 9 seconds to cross a pole. If the length of the train is 50 metres less than the length of the platform...
A train 248 meter long running with the speed of 74 kmph crosses a bridge in 18 seconds then what is the length of bridge?
1440 metres long train crosses a man who is moving in the same direction with a certain speed in 32 seconds. If the same train can cross a pole in 24 se...
A 130 m long train crosses another 250 m long train running in the opposite direction in 10 seconds. If the shorter train crosses a pole in 10 seconds, ...
Two cars start from a place with a speed of 20 km/hr at an interval of 8 minutes. What is the speed of a man coming from the opposite direction towards ...
