Can you place six X (crosses) in below board without making three in a row in any way ?

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 a hole in my back and legs I lack.
I live where I can’t breathe and I eat without teeth.
What am I?

The husband and wife were jogging in the morning. To match every two steps of the husband, the wife required three steps. If Both of them start with the here right foot. After how many steps do their left foot be together?

If Rajina's daughter is my daughter's mom, who am I to Rajina?

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

What number comes next in the series?

5 15 5 18 5 24 14 20 _

A mathematics teacher took exams for his students. Out of the total students, 25% passed both the tests included in the exam. However, only 42% were able to clear the first test.

Can you find out the percentage of those students who passed the first test and also passed the second test?

A Club organizes a Running Race, and John, Jacob, Minda, and Tony participated.

The results are as follows

John beats Jacob
Minda beats Toni
Toni beats John

Who came first in the race?

In which direction should the missing arrow point?