Given that

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

Can you find out

(99)^2 =?

(Note: This is Logical, not Mathematical)

On a charity event in Russia, Murray beat Djokovic by winning six games and losing three games.
Note: There is a total of 5 service breaks(one who serve lost the game).
Who served first, Djokovic or Murray?

Place the numbers from 1 to 9 in the circles in a manner that each side of the triangle sums up to 17.

A pond had 60 fish, out of which, all but 20 died.
How many fishes are now present in that pond?

What word begins and ends with an E, but has only one letter?

If one and a half boys, eat one and a half burgers in one and a half hours.

How many burgers can 9 boys eat in 3 hours?

Christina is older than Kareena and Karishma. Katrina is older than Karishma and younger than Kareena. If Kareena has a brother named John, who is older than Christina, who's the youngest?

I am weightless, but you can see me. Put me in a bucket, and I'll make it lighter. What am I?

Most people think of me as money. But when they find me in the water, they won’t get any money out of me. What am I?

There are five vowels (a, e, i, o, u) in the English language.
Can you tell us a word that contains all these vowels?