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Precision farming is Target specific use of inputs for crop production as per requirement of the crop. Sustainable agriculture is also known as eco farming and is defined as the use of low cost inputs, lower amounts of chemical fertilizer to mainatain soil fertility and ecological harmony. Crop rotation is defined as growing two or more crops on same land in sequence in a year to maintain soil fertility and prevent incidence of disease and pest.
If a person walks 25% more than of his usual speed, reaches his distance 90 minutes before. If the destination is 495 km away, then the usual speed of a...
P walks around a circular field at the rate of one round per hour while Q runs around it the rate of five rounds per hour. They start at same point at 8...
A man takes a total of 5 hrs 30 min by walking to a certain place and coming back by cycle. He would have gained 2 hrs 30 min by cycling both the ways. ...
Average speed of ‘A’ during a 20-hour journey is 28 km/h. If he covered the first 240 km of his journey at a speed of 20 km/h, then find the speed a...
A and B are travelling towards each other with a speed of 30 km/hr and 40 km/hr. They started at same time and A covered 30 km less distance than B befo...
Ratio of speeds of ‘A’ and ‘B’ is 6:11, respectively. If they participate in a 220-metre race and ‘B’ gives ‘A’, a head start of ‘m’...
In a 300-metre race, ‘A’ beats ‘B’ by 20 seconds or 60 metres. Find the time taken by ‘B’ to finish the race.
A train crosses a man and a platform that is 480 meters long in 12 seconds and 36 seconds, respectively. Given this information, calculate the speed of ...
A car of length 100 meters crosses a stationary pole in 5 seconds. Another car moving at double the speed of the first car crosses a stationary truck in...
A train covers a certain distance at a speed of 24 km/h and the next same distance with a speed of 30 km/h and the next same distance with a speed of 40...
