AN EXPRES TRAIN MAKES A RUN OF 240KM AT A CERTAIN SPEED ANOTHER TRAIN WHOSE SPEED IS 12KM/HR LESS TAKES AN HOUQ LONGER TO COVER THE SAME DISTANCE.FIND THE SPEED OF THE EXPRES TRAIN IN KM/HR.
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speed of the train =240,speedof the=12then we should divide it and get answer as20
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