Prove that the below maths equation is true.

8 + 8 = 91

P is the father of Q and S is the son of R. T is the brother of P and has a daughter U. If R is the sister of P, then what is the relation between U, Q and S?

Which part of London exists in France as well ?

Two guards were guarding the camp.Guard-1 was looking towards the south to make sure no threat is coming from the road.Guard-2 was looking at the north to make sure no threat is coming from the top. Suddenly Guard-1 ask the Guard-2 why he is smiling?How Guard-1 knows that Guard-2 is smiling?

When my father was 31 I was 8. Now he is twice as old as me. How old am I?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

What am I?

The answer I give is yes, but what I mean is no. What was the question?

How can you make the following equation true by drawing only one straight line: 5+5+5=550 ?