We have shown you a regular water barrel as below. Without using any measuring device can you check if the barrel is more than half-filled or less than half-filled?

What is next number in the pattern below:

131 517 192 123 ?

You can hear me, but you can't touch or see me.

What am I?

Irene killed hundreds of people mercilessly and yet the police were not able to put her behind the bars. Why?

What word begins and ends with an E, but has only one letter?

The Puzzle: A girl, a boy, and a dog start walking down a road.

They start at the same time, from the same point, in the same direction.

The boy walks at 5 km/h, the girl at 6 km/h.

The dog runs from boy to girl and back again with a constant speed of 10 km/h. The dog does not slow down on the turn.
How far does the dog travel in 1 hour?

I have four wings but can't fly.
I express no emotions.
I am found on the exact spot every time you look.
I keep toiling away with a little sound.

Do you know what am I?

Find the value of "?" in the ball picture Riddle below:

Two in a corner, one in a room, zero in a house, but one in a shelter. What is it?

Solve the equation in the image by looking at the pattern closely.