Multiple choice

Ashok completes a journey in 7 hours. He travels the first half of the journey at the speed of 24 km/h and the second half of it at the speed of 32 km/h. The total distance of the journey is: (in KM)

  1. 194

  2. 188

  3. 190

  4. 192
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Let total distance = 2d (each half is d). Time for first half = d/24, second half = d/32. Total time: d/24 + d/32 = 7 hours. d(1/24 + 1/32) = 7, so d(4/96 + 3/96) = 7, giving d(7/96) = 7, thus d = 96 km. Total distance = 2d = 192 km. Options A (194), B (188), and C (190) are incorrect.

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