In the sequence $7, 8, 9, 7, 6, 5, 3, 4, 2, 8, 9, 7, 2, 4, 5, 9, 2, 9, 7, 6, 4, 7$,how many $7$'s are preceded by $9$ and followed by $6$?

In a queue,Vijay is $14^{th}$ from the front and Jack is $17^{th}$ from the end,while Mary is in between Vijay and Jack. If Vijay is ahead of Jack and there are $48$ persons in the queue,how many persons are there between Vijay and Mary?

Five boys took part in a race. Prabir finished before Mohit but behind Mihir. Suresh finished before Sanchit but behind Mohit. Who won the race?

Abhishek ranks thirteenth in a class of thirty-one students. What is his rank from the last (in $19^{th}$)?

Among $P, Q, T, A$ and $B$ each having a different height,$T$ is taller than $P$ and $B$ but shorter than $A$ and $Q.$ $P$ is not the shortest. Who among them is the tallest?

In the sequence $5, 1, 4, 7, 3, 9, 8, 5, 7, 2, 6, 3, 1, 5, 8, 6, 3, 8, 5, 2, 2, 4, 3, 4, 9, 6$,how many even numbers are there which are immediately preceded by an odd number and immediately followed by an even number?