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OA = distance covered by upstream speed in 12 minutes = 12/60 (x – y ) OB = distance covered by downstream speed in 12 minutes = 12/60 (x + y ) According to the question, OB – OA = AB 12/60 (x + y ) - 12/60 (x - y ) = 200/1000 1/5 (x + y - x + y) = 200/1000 2y = 2/10 × 5 y = 0.5 km/hr. Speed of current = 0.5 km/hr.
Most suitable soil for groundnut cultivation is
Which of the following could be the valid value(s) of the correlation coefficient between two variables?
(A) -1
(B) +1
(C) -2
<...Tristeza is a virus disease of
The range of usefulness of tensiometers is between
The SPS Agreement concerns the application of food safety and animal and plant health regulations. SPS stands for _____
In the tank capacity of the sprayer is 20 litres and the application rate is 500 I/ha, then butachlor 50 EC required at 1.4 kg ai//ha per spray load is ...
Which crop is used as a pulse, fodder and green manure crop?
Which wild rice species is a source of resistance against Brown Plant Hopper (BPH)?
pF value at FC is ______
Which method involves removing suspended foreign particles from milk through a straining process?
