Question

Q7. in a 100 m race, tom runs at a speed of 1.66 m/s. if tom gives a start of 4 m to jerry and still beats him by 12 s, what is the speed of jerry

Answer 1

Clearly Tom covers 100m in 60s. So it means that Jerry took 72 seconds to cover 96m as Tom gave head start of 4m. Thus speed of Jerry is 96/72=1.333m/s