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?

Four cars come to a four-way stop, each coming from a different direction. They can’t decide who got there first, so they all go forward at the same time. All 4 cars go, but none crash into each other. How is this possible?

There are 3 apples in the basket and you take away 2. How many apples do you have now?

When 99 is considered higher than 100?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

Find the hidden tiger in the given optical illusion ?

An infinite number of mathematicians are standing behind a bar. The first asks the barman for half a pint of beer, the second for a quarter pint, the third an eighth, and so on. How many pints of beer will the barman need to fulfill all mathematicians' wishes?

Which tank will fill first?

There are 2 people near the river and both of them want to get on the other side. The boat can only take one of them. But they got across.
How?

What happened when the wheel was invented?