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

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?

Among $A, B, C, D$ and $E$,$A$ is taller than $B$ but shorter than $C$. $B$ is taller than only $E$. $C$ is not the tallest. Who among them will be in the middle if they stand in the order of their heights?

Mohan is older than Prabir,Suresh is younger than Prabir. Mihir is older than Suresh but younger than Prabir. Who among the four is the youngest?

If $16 \times 85 = 8651$,what is $73 \times 42$?

$A$ number is greater than $3$ but less than $8.$ Also,it is greater than $6$ but less than $10.$ The number is