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A n aeroplane covers as certain distan...

A n aeroplane covers as certain distance at a speed of 240 kmph in 5 hours. To cover the same distance in `1 2/3hou r s\ ` it must travel at a speed of `300\ k m p h` b. `360\ k m p h` c. `600\ k m p h` d. `720\ k m p h`

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