What begins with T, ends with T, and has T in it?

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

What number when divided in half becomes zero?

Can you arrange four 9's and use at most 2 math symbols, to make the total 100?

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?

One night, a woman receives a call from the police. They tell her that her husband was murdered and that she should come to the crime scene as soon as possible. The woman drops the phone, shocked, and drives 20 minutes to the crime scene. As soon as she reaches the crime scene, the police arrest her and she is convicted of murder. How do the police know she committed the crime?

There are seven sisters in a house in a village where there is no electricity or any gadget.

Sister-1: Reading Novel
Sister-2: Cooking
Sister-3: Playing Chess
Sister-4: Playing Sudoku
Sister-5: Washing clothes
Sister-6: Gardening

what is Sister-7 doing ?

With the help clues provided in the image, can you find the 5 digit key?

You board a train. The train will have to enter a tunnel soon. You are claustrophobic. Which place is the best for you to sit?

One is to three as three is to five and five is to four and four is the magic number.
What is the pattern?