A and B compete in a 100-meter dash. A travels at a speed of 5 kilometres per hour. A starts 8 metres ahead of B and yet defeats him by 8 seconds. B moves at the following rate:
A. 5.15 kmph
B. 4.14 kmph
C. 4.25 kmph
D. 4.4 kmph
Answer:B
A and B compete in a 100-meter dash. A travels at a speed of 5 kilometres per hour. A starts 8 metres ahead of B and yet defeats him by 8 seconds. B moves at the following rate:
A. 5.15 kmph B. 4.14 kmph C. 4.25 kmph D. 4.4 kmph