How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?

I have an eye but still cannot see.

Who am I?

Why are televisions attracted to people?

Move three sticks of the spiral below to form a square.

You are given 16 witch hats. The hats are divided in four different colours – red, blue, green and yellow. Every colour has been assigned to four hats. Now each of the hat will be glued with a label of an arithmetic sign – ‘+’, ‘-‘, ‘x’ or ‘/’. But you can label one sign only once on one colour. In such an arrangement, the hats can be uniquely defined by its colour and symbol.

Can you arrange all the 16 hats in a 4x4 grid in a fashion that no two rows and columns have a repetition of colour or sign?
We have arranged four hats in the below picture to assist you.

Count the number of lines in the image below ?

How will you measure 15 minutes using two hourglasses of 7 minutes and 11 minutes respectively?

what does the below rebus means?

If,

A + B = C
D - C = A
E - B = C

Based on the above equations, find out the answer for:

D + F = ?

In the four images below, can you find the odd one out?