Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

A man says, "Brothers and sisters, have I none, but that man's father is my father's son." Who is that man?

What's the only room from which no one can enter or leave

The chance of Mr John winning the lottery is 10%. All participants lined up and Mr John is 4th in the row. The first three participants lose the lottery.

What is the chance of Mr John now?

Can you make four (4) nines (9) equal 100?

They are the five precious gems of an everyday sort and all can be found on a Tennis Court. Who are they?

When we see 2 but call 10?

In the Chess Board picture below white army is arranged. You need to add a black army on the board such that no piece is under any threat.
Note: Army comprised of 1 king, 1 queen, 2 rooks, 2 bishops, 2 knights, and 8 pawns.

Given that

(78)^9 = 6
And (69)^4 = 11

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

f you were running a race, and you passed the person in 2nd place, what place would you be in now?