Multiple Choice Questions

A truck goes from Haryana to Bangalore with an average speed of 60 km h The journey takes 30 hours I...........

Quantitative Aptitude (CPO) Time & distance

A truck goes from Haryana to Bangalore with an average speed of 60 km/h. The journey takes 30 hours. It returns from

Bangalore to Haryana on the same road with an average speed of 40 km/h. What was the average speed of the truck during the

roundtrip?

This questions was previously asked in

SSC CPO 10th Nov 2022 Shift 2

60 km/h

40 km/h

50 km/h

48 km/h

- First, calculate the total distance for one-way. The truck covers the distance from Haryana to Bangalore at 60 km/h in 30 hours.

- Distance = Speed × Time = 60 km/h × 30 h = 1800 km.

- On the return journey, the truck travels 1800 km at 40 km/h.

- Time for return = Distance / Speed = 1800 km / 40 km/h = 45 hours.

- Total round-trip distance = 1800 km + 1800 km = 3600 km.

- Total time for the round trip = 30 hours + 45 hours = 75 hours.

- Average speed for the round trip = Total Distance / Total Time = 3600 km / 75 h = 48 km/h.

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