In a race of $300 \text{ m}$,$A$ beats $B$ by $15 \text{ m}$ or $5 \text{ s}$. $A$'s time over the course is:

In a $1\, km$ race, $A$ beats $B$ by $25\, m$ or $5\, s$. Find the time taken by $A$ to complete the race.

In a game,$A$ can give $B$ $20$ points,$A$ can give $C$ $32$ points,and $B$ can give $C$ $15$ points. How many points make the game?

In a $500\, m$ race,the ratio of the speeds of two contestants $A$ and $B$ is $4:5$. $A$ has a start of $140\, m$. Then $A$ wins by (in $m$):

Four runners started running simultaneously from a point on a circular track. They took $200$ seconds,$300$ seconds,$360$ seconds,and $450$ seconds to complete one round. After how much time do they meet at the starting point for the first time? (in seconds)

In a $100\, m$ race,Kamal defeats Bimal by $5$ seconds. If the speed of Kamal is $18\, km/h$,then the speed of Bimal is .......... $km/h$.