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

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

How can you spell "White of an egg" in one word?
Hint: I know you can spell coke, poke, and joke.

There are two candles. Both will only burn exactly for an hour. How will you use these two candles to measure forty-five minutes?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

You along with your friend are standing in front of two houses. Each of those houses inhabits a family with two children.

Your friend tells you the below two facts:
1) On your left is a family that has a boy who likes accounts but the other child loves science.
2) On the right is a family with a seven-year-old boy and a newborn baby.

You ask him, "Does either of the family have a girl?"

To this, he replies, "I am not quite sure. But can you guess that? If you are right, I will give you $500."

Which family do you think is likely to have a girl?

Can you find out the total number of triangles in the given figure?

There's one "sport" in which neither the spectators nor the participants know the score or the leader until the contest ends.

What is it?

There’s a girl who has a large family. She has an equal amount of brothers and sisters, but each brother only has half as many brothers and sisters. What’s the correct amount of brothers and sisters?

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?