What brings you down but never up?

Can you solve the below algebraic mathematical equation?

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

Detective Rockford was jogging near the beach at 4:30 am.
He hears a sound near the shack "No Michael, Please Do not shoot me".
Next instance he heard the sound of gunfire. Rockford rushes to the shack where he finds women lying dead and a gun in close proximity of three "Doctore Lawyer and a Teacher".

Rockford immediately knew that the Lawyer has committed the crime. How?

A certain street contains 100 buildings. They are numbered from 1 to 100. How many 9's are used in these numbers?

What does this rebus mean?

O
N
C
E
TIME

What is the value of 1/2 of 2/3 of 3/4 of 4/5 of 5/6 of 6/7 of 7/8 of 8/9 of 9/10 of 1000?

This puzzle is for Harry Potter fans. Do you know why Tom Riddle is called Lord Voldemort?

Replace the letters of words with a number so that the below equation holds true

BASE +
BALL
---------
GAMES
----------

What number do you get when you multiply all of the numbers on a telephone's number pad?

Replace the question mark with the correct number in below Picture: