Solution:

If the man killed himself, he would not have been able to rewind the cassette. Thus it is clear someone else killed him.

Solution:

The woman told him to take out one nut each from the rest of the wheels and use them.

Solution:

Adam and Eve were the only people without navel. As they were not born out of a mother, they never had umbilical cords and thus never had navels.

Solution:

This quite an easy question and the answer is Rachel.

Since she is in the room, she is also a primate and being human, she is the smartest of all.

Solution:

Happy Birthday to jennifer katharine gates :-)

Solution:

The old lady of course.
After helping the old lady into the car, I give the car keys to my best friend.
And then i go ib the bus with child love <3

Solution:

Heroine

Solution:

Michelangelo juggles the diamonds across while crossing the bridge.

Solution:

A parachute that didn't open.

Solution:

False- if he had instantly died, how would anybody know his dream