What does below chemistry rebus means?

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 ?

If you read clockwise, you can form a word by inserting three missing letters in the picture given below. Can you do it?

In the figure, you can see nine stars. What you have to do is connect all of them by using just four line and without lifting your hand i.e. in a continuous flow.

When it's bad luck to meet a black cat?

What has a ring but no finger?

In the below-given picture of a pretty girl, there is something wrong. Can you find out what it is?

Identify the hidden meaning behind this picture?

Find three whole, positive numbers that have the same answer when multiplied together as when added together.

John's five friends Rachel, Jacob, Phoebe, Joey and Chandler live on the same road.

Rachel lives in the house: A, Jacob lives in the house: B, Phoebe lives in the house: C, Joey lives in the house:D, Chandler lives in the house: E

Mathematically
B*C*D = 1260
B + C + D = 2E
2A = E

The road numbers run from 2 to 222.

Can you tell me the house number of each of John's friends?