One day,Ravi left home and cycled $10 \,km$ southwards,turned right and cycled $5 \,km$,turned right and cycled $10 \,km$,and finally turned left and cycled $10 \,km$. How many kilometres will he have to cycle to reach his home straight? (in $km$)

If the digits of a watch are replaced by every alternate letter of the alphabet beginning from $12$ in the reverse order,i.e.,$12$ is replaced by $A$,$11$ is replaced by $C$,and so on,then on which alphabet would the small hand be when the time is $5:00 \, P.M.$?

$A$ walks $10 \, m$ in front and $10 \, m$ to the right. Then,every time turning to his left,he walks $5, 15, \text{ and } 15 \, m$ respectively. How far is he now from his starting point? (in $m$)

$A$ man walked $30 \, m$ towards south. Then,he turned to his right and walked $30 \, m$. Then,he turned to his left and walked $20 \, m$. Again,he turned to his left and walked $30 \, m$. How far is he from his initial position?

Among six friends $L, M, N, P, Q$ and $S,$ each having a different height,$N$ is taller than $Q$ and $P$ but shorter than $M.$ $P$ is taller than only $Q$ while $S$ is shorter only than $L.$ Which of the following pairs represents the tallest and the shortest among the six friends?

$A$ rat runs $20$ towards East and turns to right,runs $10$ and turns to right,runs $9$ and again turns to left,runs $5$ and then turns to left,runs $12$ and finally turns to left and runs $6.$ Now,which direction is the rat facing?