Which alphabet letter is a question?

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

What building has the most stories?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.

Two fathers and two sons went fishing one day. They were there the whole day and only caught 3 fish. One father said, that is enough for all of us, we will have one each. How can this be possible?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

A few friends are enjoying their sea voyage in a boat full of apples. On the way, they felt hungry and thus decided to eat the apples. Together, they ate two dozen of apples. When they have eaten the apples, will there be any change in the water level?

What can run but never walks, has a mouth but never talks, has a head but never weeps, has a bed but never sleeps?

Spot what is wrong here in below Picture?

How many pluses should we put between the digits of 987654321 to get a total of 99, and where?