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?

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?

In a row of $21$ girls, when Anita was shifted by four places towards the right, she became $12^{th}$ from the left end. What was her earlier position from the right end of the row (in $^{th}$)?

In a class of $20$ students, Alisha's rank is $15^{th}$ from the top. Manav is $4$ ranks above Alisha. What is Manav's rank from the bottom (in $^{th}$)?

If $3^{rd}$ December,$1990$ is Sunday,what day is $3^{rd}$ January,$1991$?

Ashish leaves his house at $20 \text{ minutes}$ to seven in the morning,reaches Kunal's house in $25 \text{ minutes}$,they finish their breakfast in another $15 \text{ minutes}$ and leave for their office which takes another $35 \text{ minutes}$. At what time do they leave Kunal's house to reach their office?