Two towns A and B are 400 km apart rohan and Rahul started their cars from towns A and B respectively at the same time towards each other .after 3 hrs thy were 10 kilometers apart,the speed of Rohan car exceeded the the speed of Rahul car by 10km/hr , find their respective speeds.
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Answer:
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Step-by-step explanation:
Rohan = 34 km/h
Rahul = 44 km/h
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Answer:
Rahul's speed = 60 km/hr
Rohan's speed = 70 km/hr
Step-by-step explanation:
Let the speed of Rahul's car be x km/hour.
Speed of Rohan car exceeded the speed of Rahul car by 10km/hr
Therefore, Speed of Rohan car = (x + 10) km/hour.
In 5 hours Rahul and Rohan traveled 3x km and 3(x + 10) km respectively.
Total distance travelled by them = (400 - 10) km = 390 km.
3x + 3x + 30 = 390
6x = 390 - 30
6x = 360
x = 360/6
x = 60
Answer - Hence Speed of Rahul and Rohan car is 60 km/hr and 70 k /hr respectively.
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