Without looking at a calendar, within a minute name, a boy's name using 5 consecutive 1st letters of 5 consecutive months

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 ?

Can you find out the number that should replace the question mark with a valid reason?

Solve the equation by replacing the alphabet with numbers.

MOM + MOM + NO = BOOK=

John is the son of Jacob.
So,
Jacob is the_____of John's father?

On a bright sunny day, two fathers took their son fishing in the lake. Each man and son were able to catch one fish. When they returned to their camp, there were only three fishes in the basket. What happened?

PS: None of the fish were eaten, lost, or thrown back.

There's a day, that comes around once a year.
To celebrate the man, you hold dear.
He gave you life, love and will pick you up if you fall.
When it comes to guys like him, He's the best of all.
Who is he?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

In the given figure, you can see that four match sticks are used to form a square. Can you form five squares by using six matches?

What happened when the wheel was invented?