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

What will you call your mother's brother's brother-in-law?

John is pretty weird. He likes toffees but hates chocolates. He loves books but never reads. He likes to build his troops in an online game but does not proceed with the war. He likes to go swimming but is afraid of water.

Seeking this behaviour, can you tell whether he likes balloons and parties?

Using Only Five 5's and any mathematical operator make sum as 37

All of you like to eat me. I am a five-lettered word. Remove the first two and I turn into an infamous animal. Remove just the first and I become a heinous crime. Remove the first and the last and you can groove on me.

Can you guess who am I?

If 5 cats catch 5 mice in 5 minutes, how long will it take one cat to catch a mouse?

In case you were starting to feel confident, this one was meant for third graders in Vietnam. The answer is 66, but we don't blame you for scratching your head about how they got there.

Can you count the number of triangles inside a triangle?

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

which number am I?

Out of four images which one is the odd one out?