Can you identify the hidden rebus in the image below?

Can you make numbers like 24, using numbers 3,3,7 & 7 with any arithmetic operator?

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 ?

As shown in the image, the nine Dogs are square fenced. By constructing just two square fences can you make sure that two Dogs cannot meet each other without crossing the fence?

I have an eye but still cannot see.

Who am I?

Find the missing letter in the last circle logically in the given below picture.

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

John killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

Can anyone tell me a word in the English dictionary which has a silent 'z'?

I am green and found in the forest and have needles instead of leaves. What am I?
Hint 1: It can be used for Christmas decorations.
Hint 2: I have a strong, scent that is used in air fresheners.