What can you see in the middle of March and April that you can never see in any other month?

I am an eight letter word and I am a computer terminology.
The second, third and fourth letters make an animal.
The fourth, fifth, sixth, seventh and eighth letters make a weapon.
The first, second, third and fourth letters can be taken as an outcome of any exam.
The fifth, sixth, seventh and eighth letter combine to form a high end typing software.

Can you tell who am I ?

I have lakes with no water, mountains with no stone and cities with no buildings. What am I?

You measure my life in hours
I serve you by expiring
I vanish faster when I am thin
and slower when I am thick
The wind is my energy
What am I?

using four eights (8) and a one (1) and one mathematical symbol , create the number 100

Double it and multiply it by 4. Then divide it by 8 and you’ll have it once more. What number is it?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

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

What is it?

What word begins and ends with an E, but has only one letter?

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