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Q.
Two horses start trotting towards each other, one from A to B and another from B to A. They cross each other after one hour and the first horse reaches B, 5/6 hour before the second horse reaches A. If the distance between A and B is 50 km. what is the speed of the slower horse?
A.
30 km/h
B.
15 km/h
C.
25 km/h
D.
20 km/h
View Answer
Correct choice: D
Explanation:
If the speed of the faster horse be fs and that of slower horse be ss then fs+ss=50/1=50 and 50/ss−50/fs=5/6 Now, you can go through options. The speed of slower horse is 20km/h Since, 20+30=50 and 50/20−50/30=5/6
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