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Upstream speed = 273/7 = 39 km/h Downstream speed = 441/9 = 49 km/h Speed of boat in still water = (39 + 49)/2 = 44 km/h Speed of stream = (49 – 39)/2 = 5 km/h Increased speed of boat in still water = 44 + 4 = 48 km/h Decreased speed of stream = 5 – 2 = 3 km/h Required time taken = 540/(48 – 3) + 459/(48 + 3) = 12 + 9 = 21 hours
Match List-I with List-II
Choose the correct answer f...
For Magnesium deficiency determination, plant that is used as indicator plant _________________________ .
Amount of DAP, which supplies 27 kg N will also supply P₂O₅ :
Chlorosis in plants occur due to:
Certain bacteria living in the soil converts nitrates into nitrites and then to free nitrogen Such bacteria are termed as
The commercial units of Agri-ventures established by trained professionals which may include maintenance and custom hiring of farm equipment sale of inp...
Arabian Jasmine species is
Which one among the following is used as a pulse, fodder and green manure crop?
The break even pricing strategy is also called .................................?
Who introduced tobacco cultivation in India?