Q: Mohan finished a journey by scooter in 5 hours. He travels the first half of the journey at 30 km/h and the second half of the journey at 20 km/h. The distance covered by him is:
A.
100 km
B.
130 km
C.
140 km
D.
120 km
Correct Answer:
Option D -
Explanations:
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