Ramesh went to market to bring some fruits for his family by car with uniform speed on a straight road by covering 20 km in 1st hour, 40 km in next 2 hours, then he bought bananas, apples and papaya and returned for home. While returning he covered 10 km in one hour and 30 km in next 3 hours. His entire journey can be analysed using displacement-time graph. Slope of displacement-time graph represents velocity. What is displacement of his car at t = 4 h ?

Ramesh went to market to bring some fruits for his family by car with

1.	Ramesh went to market to bring some fruits for his family by car with uniform speed on a straight road by covering 20 km in 1st hour, 40 km in next 2 hours, then he bought bananas, apples and papaya and returned for home. While returning he covered 10 km in one hour and 30 km in next 3 hours. His entire journey can be analysed using displacement-time graph. Slope of displacement-time graph represents velocity. What is displacement of his car at t = 4 h ?
Answer» SORRY I DONT knowExplanation: