You have a 12 liters jug full of water. You have two empty 8 liters and 5 liters jug. How can you divide the water into two equal parts using these jugs?

I am looking for a word that change both gender and number when i add the letter 'S'.

What Word am I Looking For ?

A Doctor always sneezes before the rain. Doctor sneezes, Will it rain?

What does man love more than life, hate more than death or mortal strife; That which contented men desire; the poor have, the rich require; the miser spends, the spendthrift saves, and all men carry to their graves?

What part of the chicken has the most feathers?

They came out at night, without being called.
They lost at day, without being stolen.
Who are they?

Be active and find the killer in the picture Riddle below.

How can a man go eight days without sleep?

There is a circular car race track of 10km. There are two cars, Car A and Car B. And they are at the exact opposite end to each other. At Time T(0), Both cars move toward each other at a constant speed of 100 m/seconds. As we know both cars are at the same speed they will always be the exact opposite to each other.
Note, at the center, there is a bug which starts flying towards Car A at time T(0). When the bug reaches car B, it turns back and starts moving towards the car A. The speed of bug is 1m/second. After 5 hours all three stop moving.
What is the total distance covered by the bug?

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