1.

In a 100 m race, A runs at a speed of 5/3 m/s. If A gives a start of 4 m to B and still beats him by 12 seconds, what is the speed of B?

A. 5/4 m/s
B. 7/5 m/s
C. 4/3 m/s
D. 6/5 m/s
Answer» D. 6/5 m/s


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