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1. |
In a 100 m race , A runs at 8 km per hour, If A gives B a start of 4 m and still beats him by 15 seconds , what is he speed of B ? |
A. | 5.56 km/hr |
B. | 5.66 km/hr |
C. | 5.76 km/hr |
D. | 5.86 km/hr |
Answer» D. 5.86 km/hr | |