Question
Diana was travelling from Point R to Point S at a constant speed of 65 km/h. After 4 hours, she passed a car coming from the opposite direction. Diana travelled another 260 km to reach Point S. At this point, the car was still 52 km from Point R. What is the average speed of the car?
3 m

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Diana was travelling from Point R to Point S at a constant speed of 65 km/h. After 4 hours, she passed a car coming from the opposite direction. Diana travelled another 260 km to reach Point S. At this point, the car was still 52 km from Point R. What is the average speed of the car?