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Exercise 11.2A train running at a speed of 80 km/h can cover a certain distance in 45 minutes. How long willit take to cover the same distance if its speed is increased1.by 10 km/h? |
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Answer» speed is 80 km/h so in 45 min covered distance is 60 km. speed is increased by 10 so new is 90km/h so to cover 60 km require time is 40 min. formula what is the formula of this question and answers |
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