Can you find out the missing number in the grid?

What can go up a chimney down, but can’t go down a chimney up?

How can you take 2 from 5 and leave 4?

Decode the movie name from the below picture?

Two men are in a desert. They both have packs on. One of the guys is dead. The guy alive has his pack open, and the guy who is dead has his pack closed. What is in the pack?

I was speeding and ran through a stop sign, yet two traffic officers who were there do nothing about it.

why?

In the picture given below, can you find out which digit will take place of the question mark?

Twenty frogs are sitting on a log floating on the surface of a river. Two of them decide to jump off into the water.

How many frogs are there on the log at this moment?

In Greek mythology, the Sphinx sat outside of Thebes and asked this riddle of all travellers who passed by. If the traveller failed to solve the riddle, then the Sphinx killed him/her. And if the traveller answered the riddle correctly, then the Sphinx would destroy herself. The riddle:

What goes on four legs in the morning, on two legs at noon, and on three legs in the evening?

Oedipus solved the riddle, and the Sphinx destroyed herself.

What has 13 hearts but no other organs?