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Q:
A) 30 km/h | B) 15 km/h |
C) 25 km/h | D) 20 km/h |
Answer: D) 20 km/h
Explanation:
Explanation:
If the speed of the faster horse be and that of slower horse be then
and
Now, you can go through options.
The speed of slower horse is 20km/h
Since, 20+30=50
and