A man asks his friend to meet him at the airport at 3.00pm,to drive him to an appointment.he catches an earlier plane,and arrives at the airport at 2.00pm.he decides to start walking and is picked up en route by his friend.he arrives twenty minutes early for his appointment.how long did he walk?

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Describe the main process involved in the manufacture sugar. What is the main bi-product of sugar industry and to what use as put in Bihar ?

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Difference between intrinsic and extrinsic semiconductors?

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what is the meltng point of copper?.

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whether man or women came first on earth

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Why are the girders on the railway bridges fixed at one end only?

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It is easier to knock a man down when he is standing on one leg than when he stands on two legs. Why ?

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What is the meaning of ‘steady state’ in the context of transmission of heat?

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Explain how do you separate hydrogen and oxygen gases in industrial electrolysis of water process?

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What is sound?

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Up to how much weight can be rounded off while weighing a bakery item in a bakery?

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What is the opaque?

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