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Let the speed of boat in still water be x km/hr and that of stream be y km/hr. ATQ, ⇒ (x + y) – (x – y) = 8 ⇒ y = 4 km/hr ⇒ x = 4 × 5/2 = 10 km/hr Required time = [42/(10+4)] + [36/(10−4)] = 9 hr
BIS certification for drinking water is a:
Aflatoxin is an example of
Aflatoxin is a
Which alkaloids isolated from Periwinkle have significance in cancer therapy?
What type of agricultural marketing system involves a single intermediary who buys products from farmers and sells them to retailers or consumers?
Ethylene is highly effective in fruit ripening because
Which stage does adulteration take place in ?
Which new breed evolved through the grading up local buffalo of coastal andhra pradesh with murrah over generation
