There is something which you can be arrested for attempting but not for successfully completing.

Two old friends, Jack and Jill, meet after a long time, and discussing as:

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?

The centre of the third figure is empty. What digit should fit inside?

By removing one matchstick and adding one matchstick, can you convert the word "ZOO" to an animal name?

What is the largest number you can write with just 3 digits?

What are the next two letters in the following series and why?
W A T N T L I T F S _ _

*Hint: Check Puzzle Title

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

What is the Surname of Barbie Doll?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

What is in seasons, seconds, centuries and minutes but not in decades, years or days?