Solution:

17

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:

0(zero) off course.

Solution:

Terry was born in the Southern Hemisphere.

Solution:

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

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:

Parents.

Solution:

7 years.

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

Solution:

0%. as it will be night in 72 hours and of course, there will be no sun

Solution:

Tank "F".

Explanation:
The water will flow as illustrated in the picture below and hence Tank "F" will fill first.
Note: Water supply for pipe "H" is blocked and hence won't fill at all.