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  • A farmer travelled a distance of 61 km in 9 hours. He tra...
Multiple choice general knowledge math & puzzles

A farmer travelled a distance of 61 km in 9 hours. He travelled 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

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Let time on foot be t. 4t + 9(9-t) = 61. 4t + 81 - 9t = 61. -5t = -20, so t = 4 hours. Distance on foot = 4 km/hr * 4 hr = 16 km.

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