If nine thousand, nine hundred nine dollars is written as $9,909,
how should twelve thousand, twelve hundred twelve dollars be written?

What word is identified by the below rebus?

Your Your Your Your Your
Your Your Your Your Your

John and Jill are madly in love with each other. To remind Jill of his pure love, John wants to send her a ring by post but in their country where burglary is quite prominent, any package that is not locked comes under the risk of being stolen for the contents.

John and Jill possess many padlocks but neither one of them has the other key.

Can you find a way John can send the ring to Jill safely?

John and Jenni are a married couple. They have two kids, one of them is a girl. Assume safely that the probability of each gender is 1/2.
What is the probability that the other kid is also a girl?

Hint: It is not 1/2 as you would first think.

Prove that twice of ten is the same as twice of eleven.

You can hear me, but you can't touch or see me.

What am I?

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

There is one four-digit whole number n, such that the last four digits of n2 are the original number n

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

What is the Surname of Barbie Doll?