If Thursday was the day after the day before yesterday five days ago, what is the least number of days ago when Sunday was three days before the day after tomorrow?

If the numbers from $5$ to $85$ which are exactly divisible by $5$ are arranged in descending order,which number would be at the eleventh place from the bottom?

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?

Below is given a number series:
$1, 8, 5, 7, 2, 9, 8, 4, 3, 6, 2, 7, 5, 1, 8, 9, 4, 3, 6, 5, 9$
How many instances are there in which an even number is followed by two odd numbers?

Among $M, N, P, R$ and $T$,each one has secured different marks in an examination. $R$ secured more marks than $M$ and $T$. $N$ secured less marks than $P$. Who among them secured the third highest marks?

In a class of $10$ girls and $20$ boys,Jaya's rank is $4$ among the girls and $18$ in the class. What is Jaya's rank among the boys in the class?