If I remove one from eleven it becomes Ten and if I remove one from nine also becomes Ten. How?

I am white when I am dirty, and black when I am clean. What am I?

I have an eye but still cannot see.

Who am I?

If,

A = 1

B = 2

C = 3

...

...

Z = 26.

Based on above rule, you need to find an eleven letter word whose letter sum is equal to 52.

I am under you when I am whole.
I shift above you if you remove the first letter.
I come all around you if you remove the second as well.

Can you tell me who I am?

There are a number of books on a shelf. If one book is the 4th from the left and 6th from the right, how many books are on the shelf?

John was going on a jungle trip. He asked his wife to pack something to eat, something to drink and something to burn if he feels cold in the jungle. When John opens the backpack he found just one thing in the bag. What was it?

Kids with the most attentive eyes can spot a different watermelon in 4 seconds. Can you? Test your eyes now!

On this table for two, something is missing for the other one. Your task here is to find the food item that does not have its pair on the table.

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