What mathematical symbol can be put between 5 and 9, to get a number bigger than 5 and smaller than 9?

A girl has as many brothers as sisters, but each brother has only half as many brothers as sisters. How many brothers and sisters are there in the family?

If 1+9+8=1, what is 2+8+9?

What do you call a fish without an eye?

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

An old Woman left INR 33,333 to be divided equally among two fathers and two sons and each was to receive INR 11,111.
How was this possible?

Akbar called Birbal and asked him to draw a line on the floor. He asked Birbal to make that line smaller without erasing it. Birbal smiled and did it before Akbar could blink his eyes.

How did he managed to do it?

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

Take 9 from 6, 10 from 9, 50 from 40, and leave 6.

How Come ??

Give it food and it will live; give it water and it will die.