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The office goer starts from his house wi...

The office goer starts from his house with a speed of 4 km/h and reaches the office 5 minutes late. Next day he increases speed by 1 km/h and reaches the office 5 minutes earlier. The distance between his house and office is ? i) 10/3 km ii) 3 km iii) 8/3 iv) 5 km

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