What goes up but never comes down?

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.

What Deficiency does the below rebus represent?

VIT_MIN

I cry without having a voice.
I fly without having wings.
I bite without having teeth.
I whisper without a mouth.

Who am I?

Christina has four daughters, and each of her daughters has a brother. How many children does Christina have?

A Shopkeeper sold a few chickens to four different customers on a particular day. It was such that each customer purchased half of the remaining chickens and half the chicken more.

Can you find out how many chicken were sold by the shopkeeper on that day if we tell you that the fourth customer bought a single chicken ?

I am a white box having no key or lid.
Yet there is a golden treasure inside it.

What Am I?

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

It has a long neck, A name of a bird, Feeds on cargo of ships, It's not alive,

What is it?

Take number 1000 and then add 20 to it.
Now add 1000 one more time.
Now add 30.
Now add 1000 one more time.
Now add 40.
Now add 1000 one more time.
Now add 10.

What is the total?