Discussion of Question with ID = 059 under Distance-and-Time

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Question

A traveler travelled partly by camel @2 km/h and partly by car @12 km/h. He travelled a total distance 300 km in 30 hours. How much distance did he cover with the camel?

A

12 km.

B

13 km.

C

11 km.

D

14 km.

Soln.
Ans: a

Let us suppose that he travels x km with the camel, and the remaining (300 - x) km with the car. Total time is $x/2 + {300 - x}/12 = 30.$ Solving, we get x = 12 km.

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