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Mr. and Mrs. Das were travelling by car from Delhi to Kasauli for a holiday. Distance between Delhi and Kasauli is approximately 350 km (via NH 152D). Due to heavy rain they had to slow down. The average speed of the car was reduced by 20 km/hr and time of the journey increased by 2 hours. Find:
A car covers a distance of 300 km at a uniform speed. If the speed had been 10 km/h more, the journey would have taken 1 hour less. Find the original speed of the car (in km/h).
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