Replace the question mark with the correct number below.

It belongs to you, but other people use it more than you do. What is it?

Count the Triangle in the figure given below:

Can you name three consecutive days without using the words Monday, Tuesday, Wednesday, Thursday, Friday, Saturday, or Sunday?

Which part of London exists in France as well ?

What number should come in place of the question mark below?

Can you divide the below-given shape into four equal and identical pieces?

Can you replace the X (both small and big x) with the numbers between 1 to 19 such that all the rows of 3 numbers between X (big x) sum to 23?

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?

Many have heard it, but nobody has ever seen it, and it will not speak back until spoken to. What is it?