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?

What number do you get when you multiply all of the numbers on a telephone's number pad?

what does the below rebus mean?

There is a unique number which when multiplied by any number from 1 to 6, we will get the new number that contains the same digits only.

Can you find that number?

There was a minor accident with a doctor's son but the doctor noticed no major injury. After the treatment, the father of that doctors son is sitting with the son of the doctor without the doctor being in the room.

How can this be possible?

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

I am a number I am not an odd number I am higher than 90 I am not higher than 100 If you subtract me from 100, you get nothing. What number am I?

What's the next in the series?

H, Be, F, S, Mn, Kr, In, Gd, Tl, ?

I am a prime number.
The double of myself is equal to the square of me.

which number am I?

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