If the seventh day of a month is three days earlier than Friday,what day will it be on the nineteenth day of the month?

If it was Saturday on $17^{th}$ December,$1982$,what will be the day on $22^{nd}$ December,$1984$?

Some boys are sitting in a row. $P$ is sitting fourteenth from the left and $Q$ is seventh from the right. If there are four boys between $P$ and $Q,$ how many boys are there in the row?

Manoj and Sachin are ranked seventh and eleventh respectively from the top in a class of $31$ students. What will be their respective ranks from the bottom in the class?

Saiyeev ranks seventh from the top and twenty-eighth from the bottom in a class. How many students are there in the class?

Madhu is $18^{th}$ from the left end and Sandhu is $11^{th}$ from the right end of a row of $40$ children. How many children are there between Madhu and Sandhu in the row?