In a March Past,seven persons are standing in a row. $Q$ is standing left to $R$ but right to $P$. $O$ is standing right to $N$ and left to $P$. Similarly,$S$ is standing right to $R$ and left to $T$. Find out who is standing in the middle.

There are five friends $-$ $Sachin$,$Kunal$,$Mohit$,$Amy$,and $Rohan$. $Sachin$ is shorter than $Kunal$ but taller than $Rohan$. $Mohit$ is the tallest. $Anuj$ is a little shorter than $Kunal$ and a little taller than $Sachin$. Who is taller than $Anuj$ but shorter than $Mohit$?

Seven executives $P, Q, R, S, T, U$ and $W$ reach office in a particular sequence. $U$ reaches immediately before $P$ but does not immediately follow $S.$ $R$ is the last one to reach office. $T$ follows immediately after $P$ and is subsequently followed by $W.$
Who ranks fourth in the sequence of reaching office?

At the end of a cricket series,when five players were arranged in the ascending order of runs scored by them,$O$ was fourth while $N$ was first. When they were arranged in descending order for wickets taken by them,$K$ replaces $O$ while $O$ replaces $L$. $M$'s position remains unchanged. $K$ has scored more runs than $M$. $L$ is having first rank in one ranking and fifth in another.
Who has taken the lowest number of wickets?

$A$ truck,a car,and a motorcycle have equal kinetic energies. If equal stopping forces are applied and they stop after traveling a distance of $X$,$Y$,and $Z$ respectively,then:

$(i)$ Seven books are placed one above the other in a particular way.
$(ii)$ History book is placed exactly above Civics book.
$(iii)$ Geography book is fourth from the bottom and English book is fifth from the top.
$(iv)$ There are two books in between Civics and Economics books.
Out of the following,which three books are kept above English book? To answer this question,which of the other informations,if any,is required?