A farmer travelled a distance of 61 km in 9 hours. Partly on foot @ 4 km/hr

A farmer travelled a distance of 61 km in 9 hours. partly on foot @ 4 km/hr and partly on bicycle @ 9 km/hr. The distance travelled on foot is:

  1. 14 km
  2. 15 km
  3. 16 km
  4. 17 km
Anurag Mishra Professor Asked on 28th February 2016 in Maths.
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  • 1 Answer(s)

    Answer: (3) 16 km

    Solution:-
    Let the distance traveled on foot be X km.

    Then, distance traveled on bicycle = (61 – X) km

    According to the question,
    So, X/4 + (61 – X)/9 = 9 x 36
    (9 X + 4 x 61 – 4 X) = 9 x 36
    5 X + 244 = 324
    5 X = 80
    X = 80/5
    X = 16 km

    Then, distance traveled on foot is 16 km.

    Hence, the correct answer is option (3) 16 km.

    Anurag Mishra Professor Answered on 5th March 2016.
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