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1. |
Q: Two persons start running simultaneously around a circular track of length 300 m from the same point at speeds of 15 km/hr and 25 km/hr. When will they meet for the first time any where on the track if they are moving in opposite directions ? |
A. | 27 sec |
B. | 31 sec |
C. | 23 sec |
D. | 29 sec |
Answer» B. 31 sec | |