Oxygen-rich blood from the lungs comes to the ______.
Oxygen-rich blood flows from the lungs back into the left atrium (LA), or the left upper chamber of the heart, through four pulmonary veins.
Two trains 180 metres and 120 metres in length are running towards each other on parallel tracks, one at the rate 42 km/hr and another at 30 km/hr. In h...
Two trains are running on parallel lines in the same direction at the speed of 75 km/h and 39 km/h respectively. The faster train crosses a man in the s...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 30 seconds and 22 seconds respectively. It took 25...
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...
Train A takes 90 seconds to cross a telegraph pole by travelling at 18 kmph speed. Train B has its length 60% more than A. It takes 40 seconds to cross ...
Gatiman express train crosses a platform in 23 seconds while it can cross a pole in 10 seconds. If the speed of the Gatiman express is 25 m/s, then find...
A train can cross a pole and a platform of 300 meters long in 8 sec and 20 sec respectively. Find the time taken by the train to cross another platform ...
A Train Rajdhani Express leaves Kanpur station at 6 am and reaches Lucknow station at 10 am. Another Train Shatabdi Express leaves Lucknow station at 8 ...
Train ‘A’ running with a speed of 108 km/hr crosses a vertical pole in 12 seconds. Find the approx. time taken by the train ‘A’ to cross a train...
Train M, ‘x’ metres long crosses (x – 30) metres long platform in 20 seconds while train N having the length (x + 30) metres crosses the same plat...
