What does below Rebus say?

XLR8

Kareena is older than Katrina and younger than Karishma. Isabelle is younger than Bipasha and Karishma. Bipasha is older than Karishma. If Kareena and Isabelle are the same age, who's the youngest?

How is a fly different from a mosquito?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

What number do you get when you multiply all of the numbers on a telephone's number pad?

It is deaf, Dumb and Blind!!!

Still, always tells the truth. What is it?

If you remove one from eleven, it becomes ten. If you remove one from nine, it becomes ten.

How is this possible?

What breaks yet never falls, and what falls yet never breaks?

The more you take me, the more you leave me behind.
Who Am I?

There are hundred red gems and hundred blue gems. The blue gems are priceless while the red gems equal wastage. You have two sacks one labeled Heads and the other Tails. You have to distribute the gems as you want in the two sacks. Then a coin will be flipped and you will be asked to pick up a gem randomly from the corresponding sacks.

How will you distribute the gems between the sacks so that the odds of picking a Blue gem are maximum?