Take away my first letter, then take away my second letter. Then take away the rest of my letters, yet I remain the same. What am I?

Spot the cat in the picture below

The centre of the third figure is empty. What digit should fit inside?

We have arranged an array of numbers below. What you have to do is use any kind of mathematical symbol you know excluding any symbol that contains a number like cube root. You can use any amount of symbols but you have to come up with a valid equation for all of them.

0 0 0 = 6
1 1 1 = 6
2 + 2 + 2 = 6
3 3 3 = 6
4 4 4 = 6
5 5 5 = 6
6 6 6 = 6
7 7 7 = 6
8 8 8 = 6
9 9 9 = 6

Can you Find and name the hidden bird in the picture below ?

The following alphametic has only one solution. Can you find it?
ENLIST + SILENT + LISTEN = ANAGRAM

PS: You may start the number from 0.

What can you catch but never throw?

If it took eight men ten hours to build a wall, how long would it take four men to build it?

what's the probability of getting a king or a queen from a pack of 52 cards?

What part of the chicken has the most feathers?