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The alkali metals have relatively low melting point. They have a low density because alkali metals have a vast atomic radius and low weight.
Two trains started from stations ‘A’ and ‘B’ at same time and started travelling towards each other at speeds of 45 km/hr and 30 km/hr, respecti...
Train A, moving at a speed of 90 km/h, passes a stationary pole in 9.4 seconds. When encountering Train B, which is traveling towards it at a speed of 5...
Train A running at speed of 126 km/hr crosses a platform having twice the length of train in 15 sec. Train B whose length is 400m crosses same platform ...
A train crosses a pole in 36 seconds and a platform in 52 seconds. If the speed of the train is 54 km/hr, then what is the length of the platform?
Two trains approach each other at 21 kmph and 25 kmph from 2 places 230 km apart. After how many hours they will meet?
The distance between stations X and Y is 672 km. A train leaves X at 9 a.m. at 64 km/h. Another train leaves Y at 10:30 a.m. towards X at 96 km/h. When ...
Time is taken by two trains running in opposite directions to cross a man standing on the platform in 36 seconds and 21 seconds respectively. It took 27...
Gatiman express train crosses a platform in 45 seconds while it can cross a pole in 20 seconds. If the speed of the Gatiman express is 40 m/s, then find...