The average age of 10 members of a committee is the same as it was 4 years ago, because an old member has been replaced by a young member. Find how much younger is the new member ?

Can it be possible to build a house that has all its four walls facing towards the South?

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

Luis Garavito killed Density x Volume.

Who is Luis Garavito ?

John’s parents have three sons: Snap, Crackle, and what’s the name of the third son?

Can you count the number of blocks in the picture below?

Let's play a word game. Following are some meaningless words that can be completed by adding random letters on either side of the word.

For example, the word "rdo" can be formed into "pardon".

Using the same technique, can you complete the given words?
ecalc
airb
rinci
tibac
uidel
gorit
igna
eyho

Why is a river so rich ?

I am a type of vehicle that has two wheels and is powered by humans. What am I?
Hint 1: You can ride me for exercise.
Hint 2: I am environment-friendly.

This is a classy optical illusion puzzle. What more you can find except bricks in the image below?