Cristina was born in 1888. She just had her 30th birthday today how did that happen?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Intelligence Agency need to break the vault but the problem is that they are not able to break the vault.

On the vault, a text is written as:

31 11 33 33 43 45
21 25
31 24 11 31 51 41

To Break the code Intelligence Agency brings a mathematician named Joseph.
Minutes later he deciphers the code.

Whats the code?

A man who was outside in the rain without an umbrella or hat didn’t get a single hair on his head wet. Why?

Make the seating arrangement of 10 children in such a way that there are 5 rows with 4 children in each row.

If a boy blows 18 bubbles,
Then pops 6 eats 7 and then
He pops 5 and blows 1.
How many are left?

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

What does below chemistry rebus means?

In the city of Brain Teasers, 5% of people do not list their phone numbers. Now if we select random 100 people from the phone directory, then how many people selected will have unlisted phone numbers?

Aman has 1.15 rupees in his pocket. There are a total of 6 coins in his pocket.

When his friend asked him for a change, he could not give change for a rupee and five paisa.

Can you tell which coins he has?