A police officer walk from his house at 4 km per hour and reached his office 5 min late if his speed is 5 km per hour he will reach his office 10 min early. how far is his office from the house ?
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Answer:
A police officer walk from his house at 4 km per hour and reached his office 5 min late if his speed is 5 km per hour he will reach his office 10 min early. how far is his office from the house 5 km.
