Mathematics
Medium
Question
A can complete a journey in 10 hours. He travels first half of the journey at the rate of 21 km / hr and second half at the rate of 24 km / hr. Find the total journey in km.
A
220 km
B
224 km
✓ Official correct answer
C
230 km
D
234 km
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A
220 km
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B
224 km
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C
230 km
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D
234 km
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