I look at you, you look at me, I raise my right, you raise your left. What am I?

John is the son of Jacob.
So,
Jacob is the_____of John's father?

If 1+9+8=1, what is 2+8+9?

What always comes into a house through the keyhole?

Until it is measured, not known. Yet how you miss it when it has gone. What is it?

Can you find the odd number in the following five choices?

1) 482636
2) 259807
3) 865195
4) 104739
5) 391744

When I got four, I have it none.
When I got two, I have it some.
When I got none, I have it all.

What is it?

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?

You may enter, but you may not come in. I have space, but no room. I have keys, but open no lock. What am I?

On a windy rainy night , I was driving in my car.
When i reach the bus stand , i see three people waiting for the bus.

1. An old lady who needs an immediate medical attention
2. My Best Friend
3. Girl whom i love from childhood

My car is a two seat, so can you tell me , what i have done in this situation ?