Replace the question mark with the number below given a simple math problem.

Which alphabet is a part of our body?

What work can one never finish?

My location can be determined by the below rebus.
So where am i ?

Can you solve the below algebraic mathematical equation?

(J+O+I+N+T)3 = JOINT

At a Society election for president, precisely 963 votes were cast.
There is a total of 4 candidates that participate in the election.

The winning candidate exceeds the opponents by 53, 79 and 105 votes.

How many votes do each candidate gets?

'S' refers to the number of seconds in a day and 'H' refers to the number of hours in ten years. Which quantity out of these two is greater?

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?

The square root of number 121 is "11". What is the square root of the number "12345678987654321."?

I am the one who remains awake when you sleep. But I need to rest when you awake. Who Am I?