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Downstream speed of the boat = 150 / 5 = 30 km/h
Therefore, upstream speed of the boat = 30 / 3 = 10 km/h
Required time taken = 90 / 10 = 9 hours
Which seed class is associated with a golden yellow tag in India?
Brown plant hopper is a major pest of
Micronutrient is available by which process?
Which of the following statements about tillage are correct?
(A) Tillage operation in which nearly 30% crop residues are left on the soil surface...
What percentage of water-soluble K2O is present in Muriate Of Potash?
Which of the following statement is incorrect regarding the cell wall of plant cell?
Which factor is considered as the most important abiotic factor for seed germination is:
Which statement is true?
Urea contains:
Which of the following micro-organism used for nitrogen fixation and is micro aerophillic