For a business purpose dileep traveled 2 hour in a train. And 2 hour in a bus. Speed of the train is 60km/hr and speed of the bus in 40km/hr . calculate the total speed?
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Pollen germination starts with the pollen grain landing on stigma. ... The intine grows out through the germ pore and form pollen tube. It grows into the tissue of the style towards the ovary. By this time the tube nucleus degenerates and the generative nucleus divides to form two male gametes
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Explanation:
he travels 4 hours for his business purpose and the speed of both vehicles will be 100km/hr
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