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Q: A person walking 6/7 of his usual rate is 30 minutes late. What is his usual time ?

  • 1
    2 hrs 50 min
  • 2
    3 hrs 25 min
  • 3
    3 hrs
  • 4
    2 hrs 5 min
  • Show Answer
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Answer : 3. "3 hrs"
Explanation :

Answer: C) 3 hrs Explanation: Let t be the usual time. If the usual rate is 1 unit, then the unusual rate is 6/7.Balance by the distance,1 x t = (6/7)(t + 30)7t = 6(t + 30)we get t as,t = 180 minutes = 3 hrs.

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