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1. |
A person goes from point S to T and comes back. His average speed for the whole journey is 70 km/hr. If his speed while coming back from T to S is 80 km/hr, then what will be the speed of the person (in km/hr) while going from S to T? |
A. | 58.13 |
B. | 62.22 |
C. | 60 |
D. | 65 |
Answer» C. 60 | |