Multiple choice

Harman went to a hill station. Initially, he drove the car at the speed of 80 km/hr for two hours. After that, he drove the car at the speed of 40 km/hr for two hours. How much distance did he cover in total?

  1. 300 km

  2. 280 km

  3. 240 km

  4. 160 km

  5. 100 km
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C Correct answer
Explanation

Distance is calculated as speed multiplied by time. First part: 80 km/hr * 2 hr = 160 km. Second part: 40 km/hr * 2 hr = 80 km. Total distance = 160 + 80 = 240 km.

AI explanation

The total distance covered is the sum of the distances traveled at the two different speeds. Using the formula distance equals speed multiplied by time, the first part of the journey covers 80 multiplied by 2, equaling 160 km. The second part of the journey covers 40 multiplied by 2, equaling 80 km. Adding these two distances together gives a total distance of 240 km.

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