What is both possible and impossible at the same time?

Two Twins Jack and Jill were standing back to back and suddenly they started running in opposite direction for 4 kilometres and then turn to left and run for another 3 kilometres.

what is the distance between the Baggio twins when they stop ?

It has horns but can’t beep. It is like to bleat but It is not a sheep. What is it?

Analyze and find the missing item in the sequence:
16, 06, 68, 88, __, 98

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?

Solve the following series:
AZ, GT, MN, __, YB

Why Aeroplane windows are round?

A man died, leaving $10,000,000 for his widow, 5 sons and 4 daughters. Each daughter received an equal amount, each son received twice as much as a daughter, and the widow received three times as much as a son.

How much did the widow receive?

Give it food and it will live; give it water and it will die.

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