FOLLOW US:

1 . Race : A contest of speed is called a race .

2 . Race course : The special ground or path on which contests are arranged is called a race course .

3 . Starting Point: : The point from which a race begins is known as a starting point.

4 . Winning Point or Goal: The point set to bound a race is called a winning point or a goal.

5 . Winner: The person who first reaches the winning point is called a winner.

6 . Dead Heat Race: If all the persons contesting a race reach the goal exactly at the same time, the race is called a dead heat race.

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7 . A beats B by x m': This statement implies that in the same time, while A reached the winning point, whereas, B is behind A by x m. To cover a race of 100 meters in this case, A has covered 100 meters while B has covered only (100 - x )

8 . A can give B a start of t minutes: This statement implies that A will start t minutes after B starts from the starting point. Both A and B will reach the finishing point at the same time.

9 . A gives B a start of x meters’: This statement implies that, while A starts the race from starting point, whereas, B starts 10 meters ahead of A. To cover a race of 100 meters in this case, A will have to cover 100 meters while B will have to cover only (100 - x).

10 . A gives B x meters and t minutes: This statement implies that A and B start from the starting point at the same instant, but while A reaches the finishing point, B is behind by x meters, and, B takes t minutes compared to A to complete the race. So, B covers remaining x meters in extra t minutes. This gives the speed of B as x/t.