Solution:

Never.

Explanation:
After every three steps, both Tyrion and Snow will step out together i.e Tyrion-Snow after every three steps will be like left-left, left-right, left-left and so on.....

Solution:

Steps:
1) Light fire on first bar from both the ends and second bar from one end.

2) After 30 seconds(when first bar gets completely burned out) , burn the second bar from second end as well.

3) When second run completely gets burned , you know its 45 seconds.

Solution:

Bond was suspicious of the women as one never knocks its own door at the hotel.

Solution:

The old lady of course.
After helping the old lady into the car, I give the car keys to my best friend.
And then i go ib the bus with child love <3

Solution:

Jamie is a window cleaner who was tired after cleaning the windows on the 45th floor and thus leaped inside the building.

Solution:

They used the planks in the manner that is shown in the figure.

Solution:

The attached picture shows you how you can do it. If you were able to deduce any other way, feel free to comment.

Solution:

They are matched as shown in the picture below.

Solution:

Either your read from start or from ends, it will be same

Solution:

   9567
+ 1085
======
 10652

Solution:

The two numbers are 4 and 13 whose product is 52 and sum is 17.