How is a fly different from a mosquito?

All of Jacob's shoes are red except two.
All of Jacob's shoes are green except two.
All of Jacob's shoes are yellow except two.

How many shoes does Jacob have?

If two's company, and three's a crowd, then whats four and five ?

What does this mean?

CCCCCCC

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

It's pretty hard to give up.
If you remove a part of it, you will be left with a bit.
Even if you remove another part, the bit still remains.
Remove one more and it still remains.

What is it?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

You enter your friend's room. He is not in his room. Although you see that on the bed there are two dogs, five cats, two giraffes and three pigs. Also, a couple of chickens and ducks are flying in the room.

Calculate the number of legs standing on the floor.

I can be cracked, made, told, and played. What am I?

The measurement of time, That can't be found on a clock, But can be looked upon on a map.

Who is He ?