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Aptitude Dy 275

Problems to solve on Time and Distance: 

1. A boy rides his bicycle 5 km at an average speed of 3 km/hr and again travels 6 km at an average speed of 5 km/hr. His average speed for the entire trip is approximately:

2. A man travels 200 km by train at 40 km/hr, 300 km by ship at 150 km/hr, 400 km by aeroplane at 200 km/hr and 500 km by car at 50 km/hr. What’s the average speed for the entire distance?


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