How many $5$'s are there in the following sequence which are immediately followed by $3$ but not immediately preceded by $7$?
$8, 9, 5, 3, 2, 5, 3, 8, 5, 5, 6, 8, 7, 3, 3, 5, 7, 7, 5, 3, 6, 5, 3, 3, 5, 7, 3, 8$

Thirty-six vehicles are parked in a parking lot in a single row. After the first car,there is one scooter. After the second car,there are two scooters. After the third car,there are three scooters,and so on. Work out the number of scooters in the second half of the row.

In a row of boys,Kapil is $8^{th}$ from the right and Nikunj is $12^{th}$ from the left. When Kapil and Nikunj interchange positions,Nikunj becomes $21^{st}$ from the left. Which of the following will be Kapil's position from the right?

In a class of $60$ students, where girls are twice the number of boys, Kamal ranked $17^{th}$ from the top. If there are $9$ girls ahead of Kamal, how many boys are after him in rank?

Kailash remembers that his brother Deepak's birthday falls after $20^{th}$ May but before $28^{th}$ May,while Geeta remembers that Deepak's birthday falls before $22^{nd}$ May but after $12^{th}$ May. On what date does Deepak's birthday fall?

In a row of girls, if Savitha who is tenth from the left and Anita who is ninth from the right interchange their places, Savitha becomes fifteenth from the left. How many girls are there in the row?