It's a protector.
It sits on a bridge.
One individual can see directly through it, while others wonder what it hides.

What is it?

2, 3, 5, 9, 17, _ What is the next number in the sequence?

Can you solve the tricky chess rebus puzzle below by ciphering the hidden meaning?

What is black when you buy it, red when you use it, and gray when you throw it away?

Solve the equation in the image by looking at the pattern closely.

Solve the counting riddle by identifying the number of triangles in the given picture.

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

A new Engineering building containing 100 offices had just been completed. John was hired to paint the numbers 1 to 100 on the doors. How many times will John have to paint the number nine (9)?

You can hear me, but you can't touch or see me.

What am I?

You Are Highly Attentive If You Can Spot A Hat In This Bathroom In 9 Seconds!