What has a ring but no finger?

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?

Can you spot the hidden girl in the picture below?

It is always ahead of me yet I can never see it. What is it?

What Does this text mean:

important=important

I am a normal creature, but I have five hands. I can even have more but even then I will be considered normal.

Who am I?

I’m tall when I’m young, and I’m short when I’m old. What am I?

Find the Odd One Out?
84129
32418
47632
36119
67626
72927

There is a bag which have 21 blue balls and 23 red balls. You also have 22 red balls outside the bag. Randomly remove two balls from the bag. * If they are of different colors, put the blue one back in the bag. * If they are the same colour, take them out and put a red ball back in the bag. Repeat this until only one ball remains in the bag. What is the color of the sole ball left in the bag ?

Rectify the following equality 101 - 102 = 1 by moving just one digit.