If Rajina's daughter is my daughter's mom, who am I to Rajina?

If you drop me I’m sure to crack, but give me a smile and I’ll always smile back. What am I?

Which of the following words don't belong in the group and why?
CORSET, COSTER, SECTOR, ESCORT, COURTS

You have to put a letter on the following to make it a meaningful word. The only challenge is that you can't use 'E'.

S E Q U E N C _

You knock a Table over in the library, and suddenly 20 eyes are looking at you.

A plane crashed between the border of Mexico and America. Where do you bury the survivors?

The person who makes it has no need for it. He who purchases it does not use it. The person who does use it does not know they are. What is it?

If you say my name, I will no longer exist. What am I?

Prove that the below maths equation is true.

8 + 8 = 91

In the Wild West, you are challenged into a death match by two bounty hunters nicknamed Golden Revolver (GR) and Killer Boots (KB). You accept the challenge. None of you want to waste any of the bullet and so a certain rules are laid down:

1) All of you will shoot in a given order till the last man standing.
2) Each of you shoots only once upon his turn.
3) If any one of you is injured, the other two will finish him off with an iron rod.
4) The worst shooter of all (which is you) shoots first and the best one shoots at the last.

Now, how will you plan things if you know that you hit every third shot of yours, KB hits every second shot and GR hits every shot ?