Question
The scientific study of diseases in plants,
identification of the pathogen and their management is known asÂSolution
Plant Pathology deals with scientific study of diseases, identification of their causal agent and then their management.
Train A running at speed of 54 km/hr crosses a platform having twice the length of train in 12 sec. Train B whose length is 240m crosses same platform i...
A train travelling at the speed of 72 km/hr crosses another train, having 60 meters less length and travelling in opposite direction at the speed of 54 ...
Train A running with a sped of 90 km/h crosses a vertical pole in 12 seconds. Speed of train A is 5 m/s less than speed of train B, and length of train ...
Two trains approach each other at 24 kmph and 31 kmph from 2 places 220 km apart. After how many hours they will meet?
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...
- Length of a train, whose speed is 48 km/h, is 240 metres. Find the time taken (in seconds) by train to cross a bridge of length 360 metres.
A train 200 m long crosses a platform 250 m long in 18 seconds. The speed ratio of this train to another is 5:7. What is the length of the other train i...
Train ‘A’ running with a speed of 126 km/hr can cross a standing goods train of 6 times its length in 30 seconds. Find the time taken by 200 metres ...
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...
Two poles are positioned at a certain distance from each other. A train traveling at a speed of 90 km/hr passes the first pole in 5 seconds and reaches ...
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