It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

You visit a home for specially-abled children on the occasion of Christmas where you meet with 50 children. You have a box of chocolates containing 50 chocolates exactly.

What if you were asked to one chocolate to each child in a manner that one chocolate still remains in the box? Is it possible?

Cristina leaves home and then she makes exactly 3 left turns and returns home where she found 2 girls wearing the mask.

Who are these two masked girls?

In the image below, can you find the value of an angle(y)

I live in a bowl. I can swim. I have a tail. I also have fins and big eyes. What am I?

They do not possess flesh or feathers or scales or bone
But still, they are blessed with fingers and thumbs of their own.

Why do you find that most of the buildings are deprived of the 13th floor?

Count the number of triangles in the picture below:

How can a man go eight days without sleep?