How is the moon similar to a dollar?

Jenifer is learning to drive her car. She went down a one way lane and in the wrong direction. But she do not break any law.

How come ?

As shown in the picture below, we can see a boy hanging on the tree branch to save his life. There are various ways in which he can die like1. A snake hanging toward the right waiting to bite the boy.2. A roaring Lion near the tree.3. Two crocodiles are ready to attack if the boy reaches near water. The tree is chopped to some extent, so can fall as if he moves a lot. Can you give this boy an escape plan?

Can you find a pattern and the missing number in the series given below?

100, 155, 258,? , 584, 819.

Spot 5 differences in two Christmas tree below:

Three doctors said that Bill was their brother. Bill says he has no brothers. How many brothers does Bill actually have?

If I put in one canary per cage, I have one bird too many. If I put in two canaries per cage, I have one cage too many. How many cages and canaries do I have?

Why do we preferably have round manhole covers and not square ones?

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

Astrology starts with the alphabet A, Biology starts with B, Psychology with P and Limnology with L.

Can you find an "ology" that begins with a P?