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Erythroblastosis foetalis occurs when an Rh-negative mother carries an Rh-positive fetus, leading to hemolysis of fetal red blood cells.
Two trains, A and B, cross each other in 20 seconds and 30 seconds respectively, when running in opposite and the same direction respectively. If the sp...
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 5:6 respectively and the ratio of time taken by them to cross a pole is 3:4 respectively. If s...
If the length of a train were halved, it would take 8 seconds to pass a pole. Given that the train's speed is 25 m/sec, determine the time required for ...
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 ...
How many seconds will a train 68 m in length, travelling at the rate of 40 km an hour, take to pass another train 92 m long, proceeding in the same dire...
Train A running at a speed of 48 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 'A' travels at a speed of 54 km/hr and passes a stationary pole in 12.4 seconds. How long will it take for Train 'A' to completely pass Train 'B',...
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...