If it is absolute, it will corrupt absolutely.

Answer: power

Solution:

I’m white, and used for cutting and grinding. When I’m damaged, humans usually remove me or fill me. For most animals I am a useful tool. What am I?

Answer: A tooth!

Solution:

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A tooth!

I’m under your face, I’m outside your mind; A biological case, Pressure brings pain sometimes. What am I?

Answer: Your skull.

Solution:

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Your skull.

When a girl was 7, her sister was 14, now the girl is 10. How old is her sister now?

Answer: 17

Solution:

Correct Answer: 17

Condition 1: 

Girl age = 7

Sister age = 14

So here age difference is 7 years

Condition 2:

Girl age =10

so Sister age = Girl age + 7=10+7=17

Hence Sister age is 17

I have 10 books and I label them with their number. I take seven out to read. How many books are left?

Answer: 9! You have token the book with the label seven!

Solution:

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9! You have token the book with the label seven!

What are three things that have eyes, yet can’t see?

Answer: Needle, storm and  potato.

Solution:

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Needle, storm and  potato.