what's the probability of getting a king or a queen from a pack of 52 cards?

I have a sore throat and a severe headache. I have four tablets with me that are identical to each other and they do not have any cover on them. There is no way I can identify which tablet serves what purpose. The only thing that I know is that two of these four tablets are for the throat and the remaining two are for the headache. To treat my condition, I must take 1 of each. What will I do now?

A sea diver is a real show-off. He showed everyone that he can hold his breath underwater for 15 minutes.

I went to the diver and told him that I can be underwater for double the time i.e 30 minutes.
He responded that he will give me 100$ if I would be able to do it. I won 100$.

What did I do?

Find the next number in the series?
2, 12, 36, 80, 150, 252, 392, _ ?

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

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

I have cities, but no houses. I have mountains, but no trees. I have water, but no fish. What am I?

If eleven plus two equals one, what does nine plus five equal?

Which is Odd One Out and why?

4377

3954

9862

8454

9831

Two old friends, Jack and Bill, meet after a long time.

Three kids
Jack: Hey, how are you, man?
Bill: Not bad, got married and I have three kids now.
Jack: That's awesome. How old are they?
Bill: The product of their ages is 72 and the sum of their ages is the same as your birth date.
Jack: Cool..But I still don't know.
Bill: My eldest kid just started taking piano lessons.
Jack: Oh, now I get it.

How old are Bill's kids?