Question
Diana was travelling from Point X to Point Y at a constant speed of 90 km/h. After 5 hours, she passed a car coming from the opposite direction. Diana travelled another 270 km to reach Point Y. At this point, the car was still 45 km from Point X. What is the average speed of the car?
3 m

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Diana was travelling from Point X to Point Y at a constant speed of 90 km/h. After 5 hours, she passed a car coming from the opposite direction. Diana travelled another 270 km to reach Point Y. At this point, the car was still 45 km from Point X. What is the average speed of the car?