My cousin lives in one story house in Antarctica. His house is made the of-of sandstone. what is the color of stairs?

I am the fastest animal but cannot climb the tree. What am I?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

What is the difference between a jeweller and a jailer?

How many times can you subtract the number two from the number fifty?

Which alphabet letter is a question?

Can you find out the remainder when 3^300 is divided by 5?

While preparing the table for dinner, wife came up with an idea to tease his mathematician husband. She asked her husband to pick nine toothpicks and make ten without breaking any toothpick.

The husband was also smart and did it within seconds. How ?

A 3 digit number is such that it's unit digit is equal to the product of the other two digits which are prime. Also, the difference between it's reverse and itself is 396.

What is the sum of the three digits?

Count the squares in the matchstick puzzle below?