Question
Recently, which IIT has done the first national level
mapping of soil erosion?Solution
Researchers at the Indian Institute of Technology (IIT), Delhi claim to have conducted the country's first national-scale mapping of soil erodibility.
Two trains ‘T5’ and ‘U5’ of lengths 800 metres and 400 metres respectively are travelling towards each other. Ratio of speed of ‘T5’ to ‘U...
A train has to cover a distance of 90 km in 15 hours. If it covers half the journey in 4/5 th of the time, the speed to cover remaining distance in the ...
- A train moving at 32 m/s can pass through a bridge of length 500 metres in 25 seconds. Find the length of the train.
- Train 'P' can cross a pole in 8 seconds and a 160 metres long bridge in 12 seconds. Train 'Q' whose length is 60% of the length of train 'P' runs in the sa...
Train 'C' can cross a pole in 6 seconds and a 120 metres long bridge in 10 seconds. Train 'D' whose length is 25% of the length of train 'C' runs in the...
Train P travelling at 55 km/hr crosses another train Q, having three fourth of its length and travelling in opposite direction at 35 km/hr in 14 seconds...
- A man is running at a speed of 10 m/sec in the same direction of the train. Train can cross the man in 6 seconds. If speed of the train is 108 km/hr, then ...
Train A running at a speed of 42 km/hr crosses train B in 36 seconds. Find the speed of train B (in km/hr), if the sum of the length of train A and B is...
Two trains approach each other at 20 kmph and 25 kmph from 2 places 225 km apart. After how many hours they will meet?
Two trains of equal lengths take 20 seconds and 30 seconds respectively to cross a telegraph post. If the length of each train be 240 metres, in what ti...
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