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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
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.