In a 200-m race, if A gives B a head start of 35m, then A wins the race by 20sec. Alternatively, if A gives B a head start of 55m, the race ends in a dead heat. How long does A take to run 200m?
In a 3000m race, if vehicle A gives vehicle B a start of 400m, then vehicle A wins the race by 10s. If vehicle A gives vehicle B a start of 750m, then the race ends in a dead heat. How long does vehicle A take to run 3000m?
In a 150m race, if R gets a 5m head start, then he would beat S by 35m. If S gets a 25m head start in a 100m race, then ________ would win the race by ___________ metres.