general math MCQ #286

A can complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km / hr and second half at the rate of 24 km / hr. Find the total journey in km. Time, Speed, and Distance

general math MCQ #286

  1. Question 1

    Q1. A can complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km / hr and second half at the rate of 24 km / hr. Find the total journey in km. Time, Speed, and Distance

    • A) 220 km
    • B) 224 km
    • C) 230 km
    • D) 234 km

    Answer: 224 km

    Explanation: Let each half = d km; d/21 + d/24 = 10 → d×(8+7)/168 = 10 → d = 112; total distance = 224 km.