If the first day of the year (other than a leap year) was Friday,then what was the last day of that year?

In a queue of children,Kashish is $5^{th}$ from the left and Mona is $6^{th}$ from the right. When they interchange their places among themselves,Kashish becomes $13^{th}$ from the left. Then,what will be Mona's position from the right (in $^{th}$)?

If Thursday was the day after the day before yesterday five days ago, what is the least number of days ago when Sunday was three days before the day after tomorrow?

Akshay is $16^{th}$ from the left end in a row of boys and Vijay is $18^{th}$ from the right end. Avinash is $11^{th}$ from Akshay towards the right end and $3^{rd}$ from Vijay towards the right end. How many boys are there in the row?

Sanal's position in a row is $12^{th}$ from the front side and $47^{th}$ from the back side. How many persons are standing in that row?

Among $M, N, P, R$ and $T$,each one has secured different marks in an examination. $R$ secured more marks than $M$ and $T$. $N$ secured less marks than $P$. Who among them secured the third highest marks?