Which of the following is NOT a major factor affecting the population change in a region?
Population change, defined generally, is the difference in the size of a population between the end and the beginning of a given time period (usually one year). The main components of population change are births, deaths, and migration.
A 150-meter-long train requires 'p' seconds to pass a tree. When the train runs at 75% of its original speed, it takes 20 seconds to pass a 90-meter-lon...
Without stopping the speed of the train is 110 kmph, with stopping the speed of the train is 55 kmph.Find the stop time of the train?
Two trains of equal lengths take 15 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what ti...
Two cars start from a place with a speed of 60 km/hr at an interval of 15 minutes. What is the speed of a man coming from the opposite direction towards...
A goods train leaves a station at a certain time and at a fixed speed. After 10 hours, an express train leaves the same station and moves in the same di...
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...
Two trains of same length are running in parallel tracks in the same direction with speed 90 km/hr and 120 km/hr respectively. The latter completely cro...
Two trains of same length are running in parallel tracks in the same direction with speed 84 km/hr and 120 km/hr respectively. The latter completely cro...
A goods train leaves a station at a certain time and at a fixed speed. After 8 hours, an express train leaves the same station and moves in the same dir...
Two trains of same length are running in parallel tracks in the same direction with speed 40 km/hr and 70 km/hr respectively. The latter completely cros...
