I look at you, you look at me I raise my right, you raise your left. What am I?

I go up and I go down.
I go up towards the beautiful sky and down toward the green ground.
I am present tense.
I am past tense too
Children love me.

Who Am I?

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

What am I?

You are mixing a mixture of cement and Sand with five gallons of water. You have a garden hose giving you all the water you need. The problem is that you only have a four-gallon bucket and a seven-gallon bucket and neither has graduation marks. Find a method to measure five gallons.

Can it be possible to build a house that has all its four walls facing towards the South?

A man was just doing his job when his suit was torn. Why did he die three minutes later?

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

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

How far can you walk into the woods?

How many sides does a circle have?