By Ajay Kumar

Verified by Ajay Kumar

The ratio of the speeds of a bike and a car is 4:5. If the bike travels 160 km in 4 hours, how far will the car travel in 5 hours?

  1. 200 km

  2. 250 km

  3. 300 km

  4. 350 km

Answer: B

Solution

Bike's speed \(=160/4=40\) km/h. The speed ratio is \(4:5\), so the car's speed is \(40\times\frac54=50\) km/h. Distance travelled by the car in 5 hours \(=50\times5=250\) km. Trick: Calculate the bike's speed first, use the speed ratio to find the car's speed, and then multiply by time.

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