Why is the Hole below a Lock?

You need to complete the maze by entering from the entrance marked below in the figure near the yellow circle, bottom left and leaving from the exit point near the green circle, bottom middle.

Rule of Game: You can move only by exchanging green and yellow circles.

A man is trapped in a room. The room has only two possible exits doors. Through the first door there is a room constructed from magnifying glass. The blazing hot sun instantly fries anything or anyone that enters. Through the second door there is a fire-breathing dragon. How does the man escape?

When can we add 2 to 11 and get 1 as the correct answer?

If you had a pizza with crust thickness 'a' and radius 'z', what's the volume of the pizza?

I’m orange, I wear a green hat and I sound like a parrot. What am I?

What can you catch but never throw?

What does this Rebus Picture mean?

I have a clock(12-hour format) and both the needles of the clock overlap at 12:00.
After how much time, they will overlap again?

There are 3 apples in the basket and you take away 2. How many apples do you have now?