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      Question

      Adarsh rented a travel bike for a mountain tour. If the

      bike is rented for 8 hours or less, the charge is Rs. 100 per hour or Rs. 8 per km, whichever is more. On the other hand, if the bike is rented for more than 8 hours, the charge is Rs. 80 per hour or Rs. 6 per km, whichever is more. Adarsh used the bike for 120 km and paid Rs. 800. Determine the number of hours he took the bike for rent.
      A 12 hrs Correct Answer Incorrect Answer
      B 2 hrs Correct Answer Incorrect Answer
      C 10 hrs Correct Answer Incorrect Answer
      D 15 hrs Correct Answer Incorrect Answer
      E none of these Correct Answer Incorrect Answer

      Solution

      ATQ, Let the travel bike is rented for 8 hours or less. Then the number of hours it is rented for 800/100 = 8 hours But if it charged Rs.8/km,  the amount that should paid be 120(8) = 960 But he paid only Rs.800 The travel bike is rented for more than 8 hours Number of hours = 800/80  = 10 hours If it is charged at Rs.6/km,  the amount that should paid be 120(6) = Rs.720 which is less than s. 800 Adarsh rented bike for 10 hours.

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