Question
Which of the following factor is not a primary cause of
soil erosion?Solution
Weed is not a primary cause of soil erosion. Weeds can compete with crops for nutrients and water, affecting agricultural productivity, but they are not a direct cause of soil erosion.
Ratio of the lengths of two trains ‘X’ and ‘Y’ is 3:4 respectively and the ratio of time taken by them to cross a pole is 1:2 respectively. If s...
A train of length 360 metres passes a signal post in 18 seconds. Find the time taken by the train to cross a platform of length 240 metres.
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 ...
A train 270 meter long running with the speed of 80 kmph crosses a bridge in 18 seconds then what is the length of bridge?
A train of length 180 m crosses another train of length 120 m coming from the opposite direction. If the speeds of the two trains are 6 m/sec and 9 m/se...
Length of a train is two-thirds of the length of a platform. If the train crosses the platform in 45 seconds, then find the time taken by train to cros...
- Train X of length 180 m and Train Y of length 120 m are moving in opposite directions at 8 m/sec and 7 m/sec respectively. In how much time will they compl...
Length of a train, whose speed is 90 km/h, is 600 metres. Find the time taken (in seconds) by train to cross a bridge of length 300 metres.
A 400 m long train crosses a platform twice its length in 2 min. Find the speed of the train.
Length of train 'X' is (35n - 30) metres, which is 200 metres more than that of train 'Y'. Time taken by 'X' and 'Y' to cross a pole is 20 seconds and 1...
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