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?

Find out the missing number in the picture attached:

Nine marbles are arranged in the image below. Can you slide two marbles to form a square?

Find the value of "?" in the ball picture Riddle below:

Spelt forwards I’m what you do every day, spelled backwards I’m something you hate. What am I?

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

Three playing cards in a row. Can you name them with these clues? There is a two to the right of a king. A diamond will be found to the left of a spade. An ace is to the left of a heart. A heart is to the left of a spade. Now, identify all three cards.

How many words can a quill made with the feather of a pigeon write with a 100ml bottle of black ink?

The captain of a ship was telling this interesting story: "We travelled the sea far and wide. At one time, two of my sailors were standing on opposite sides of the ship. One was looking west and the other one east. And at the same time, they could see each other clearly." How can that be possible?

Which is faster, Heat or Cold ? Explain.