The black arm or angular leaf spot of cotton is caused by:
Bacterial Blight, also called Angular Leaf Spot, is a disease caused by the bacterium, Xanthomonas citri pv. Malvacearum.
A train travelling with a speed of 108 km/h can cross a pole in 9 seconds. Find the time taken by the train to cross a 330 metres long platform if the s...
Train 'E' leaves at 9:00 PM on Wednesday from Kolkata station and reaches Bangalore station at 11:00 AM the next day, while train 'F' leaves at 8:30 PM ...
Train M, ‘x’ metres long crosses (x – 32) metres long platform in 20 seconds while train N having the length (x + 32) metres crosses the same plat...
Two cars start from a place with a speed of 50 km/hr at an interval of 12 minutes. What is the speed of a man coming from the opposite direction towards...
Two trains of same length are running in parallel tracks in the same direction with speed 64 km/hr and 100 km/hr respectively. The latter completely cro...
Two trains, A and B, cross each other in 20 seconds and 30 seconds respectively, when running in opposite and the same direction respectively. If the sp...
Train A running at speed of 90 km/hr crosses a platform having twice the length of train in 12 sec. Train B whose length is 340m crosses same platform i...
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 trains started from stations ‘A’ and ‘B’ at same time and started travelling towards each other at speeds of 66 km/hr and 56 km/hr, respecti...
A train started from station P and preceded towards station Q at a speed of 60 km/h. 35 minutes later, another train started from station Q and preceded...
