Solution:

7 years.

Explanation:
Kylian * Thorgan * Eden = 175
and only value that fits in above equation is:
Kylian = Thorgan = 5years
Eden = 7 years

Solution:

Parents.

Solution:

Yes (if we want to drink), No (if don't)

Explanation:
Note: The question barman asked if all want to have the drink.

The first logician replied, " I don't know" implies he want to have the drink but is not sure if other two want to have drink or not.

The second logician replied, " I don't know" implies he want to have the drink but is not sure if other third one want to have the drink or not (he knows 1st want to have drink else he would have said 'no')

Similarly, third knows that other two wanna have the drink and hence his decision is decisive.

Solution:

The missing wheel was the Stepney and hence Willian easily escapes just by driving.

Solution:

Terry was born in the Southern Hemisphere.

Solution:

0(zero) off course.

Solution:

The delivery guy ran around the tree in circles and the dog followed him and dog eventually wrapped himself around the tree. As a result, the dog can't reach the main gate now.

Solution:

17

Solution:

Inception.

Explanation:
Chemical symbol of
Indium : In
Cerium : Ce
Platinum: P
Iodine: I
Oxygen : O
Nitrogen : N

Combining symbols, we got Inception.

Solution:

8

Explanation:
Mr. Scofield
Mrs. Scofield
5 sons
1 daughter(one sister of each brother)