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SSC MTS 2024 · PYQ · Speed, Distance and Time · medium

A vehicle moves at 65 km/h for 4 hours before slowing down to 52 km/h for the next 2.5 hours. Calculate the average speed.

Answer

The correct answer is A: 60 km/h. Total distance = 4×65 + 2.5×52 = 260 + 130 = 390 km. Total time = 4 + 2.5 = 6.5 hours.

  1. A.60 km/h✓ Correct
  2. B.61.25 km/h
  3. C.55 km/h
  4. D.58.5 km/h

Explanation

Total distance = 4×65 + 2.5×52 = 260 + 130 = 390 km. Total time = 4 + 2.5 = 6.5 hours. Average speed = 390/6.5 = 60 km/h.
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