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A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-
A motorist travels to a place 150 km away at an average speed of 50 km and returns at 30 km per hour. His average speed for the whole journey in km per hour is-