Mathematics
NULL
Medium
Question
A man goes to office at 3 km/h and returns at 2 km/h, taking 5 hours in all. How far is the office?
A
3 km
B
4 km
C
5 km
D
6 km
✓ Official correct answer
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A
3 km
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B
4 km
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C
5 km
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D
6 km
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Explanation
d/3 + d/2 = 5 ⇒ d = 6 km.