Mathematics
Medium
Question
A man 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
121 km
B
242 km
C
224 km
✓ Official correct answer
D
112 km
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A
121 km
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B
242 km
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C
224 km
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D
112 km
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