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

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?

What time is it when an elephant sits on a fence?

Four people need to cross a rickety bridge at night. Unfortunately, they have only one torch and the bridge is too dangerous to cross without one. The bridge is only strong enough to support two people at a time. Not all people take the same time to cross the bridge. Times for each person: 1 min, 2 mins, 7 mins and 10 mins. What is the shortest time needed for all four of them to cross the bridge?

Railroad Crossing, look out for the cars. Can you spell that, without any R's ?

A thief enters a store and threatens the clerk, forcing her to open the safe. The clerk says, “The code for the safe is different every day, and if you hurt me you’ll never get the code.” But the thief manages to guess the code on his own. How did he do it?

In which direction should the missing arrow point?

It walks on 4 when its young, walks on 2 when it's older, and walks on 3 when its very old?

Why is the Hole below a Lock?

This is a picture puzzle. You have to guess the name of the movie that can be related to the picture.