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Upstream speed = 245/7 = 35 km/h Downstream speed = 477/9 = 53 km/h Speed of boat in still water = (35 + 53)/2 = 44 km/h Speed of stream = (53 – 35)/2 = 9 km/h Increased speed of boat in still water = 44 + 4 = 48 km/h Decreased speed of stream = 9 – 2 = 7 km/h Required time taken = 410/(48 – 7) + 495/(48 + 7) = 10 + 9 = 19 hours
In which form of tillage, no plant is left undisturbed?
Which of the following is most appropriate for blank “a”?
Which of the following represents an imperfect market?
In microwave oven microwaves are emitted by
A technology where water is recycled and reused after mechanical and biological
filtration and removal of suspended matter and metabolites is kn...
The Indigenous Technical Knowledge (ITK) provides insight into:
Mating of wider degree relation not closer one and result in uniformity is known as?
In meloidogyne, the …. stage juveniles enter the roots?
Which chemical compound is primarily responsible for the characteristic aroma found in aromatic rice varieties, such as Basmati rice?
The Ug-99 disease is associated with
