In which direction should the missing arrow point?

I make a loud sound when I’m changing. When I do change, I get bigger but weigh less. What am I?

Can you start the fire using two pieces of wood?

Which number should replace the question mark?

Jack was having a candle light dinner with his girlfriend. Suddenly a cold gush of wind entered through the open window and three of the ten candles were extinguished. Assuming that none of the other candles were extinguished.

How many candles are they left with in the end ?

I am sure no one can have two things for dinner. what are they?

I taste better than I can smell. Who am I?

When we see 2 but call 10?

A man lives on the fifteenth floor of an apartment building. Every morning he takes the elevator down to the lobby and leaves the building. In the evening, he gets into the elevator, and, if there is someone else in the elevator, or if it was raining that day, he goes back to his floor directly. Otherwise, he goes to the tenth floor and walks up five flights of stairs to his apartment. Can you explain why he does this?

There is one thing that goes round the house and also inside the house but never even share a brief touch. What is it?